6422977800 has 108 divisors (see below), whose sum is σ = 21581925495. Its totient is φ = 1711887360.

The previous prime is 6422977789. The next prime is 6422977807. The reversal of 6422977800 is 87792246.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2199797604 + 4223180196 = 46902^2 + 64986^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=56670.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6422977807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3399256 + ... + 3401144.

Almost surely, 2^6422977800 is an apocalyptic number.

6422977800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422977800

6422977800 is an abundant number, since it is smaller than the sum of its proper divisors (15158947695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6422977800 is a wasteful number, since it uses less digits than its factorization.

6422977800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 6422977800 is about 80143.4825796833. The cubic root of 6422977800 is about 1858.8548275117.

The spelling of 6422977800 in words is "six billion, four hundred twenty-two million, nine hundred seventy-seven thousand, eight hundred".