6500777472 has 400 divisors, whose sum is σ = 22677045600. Its totient is φ = 1853300736.

The previous prime is 6500777467. The next prime is 6500777473. The reversal of 6500777472 is 2747770056.

6500777472 is a `hidden beast` number, since 6 + 500 + 7 + 7 + 74 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500777473) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14224668 + ... + 14225124.

It is an arithmetic number, because the mean of its divisors is an integer number (56692614).

Almost surely, 2^6500777472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6500777472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11338522800).

6500777472 is an abundant number, since it is smaller than the sum of its proper divisors (16176268128).

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

6500777472 is an frugal number, since it uses more digits than its factorization.

6500777472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 45.

The square root of 6500777472 is about 80627.3990154712. The cubic root of 6500777472 is about 1866.3299837220.

The spelling of 6500777472 in words is "six billion, five hundred million, seven hundred seventy-seven thousand, four hundred seventy-two".