80068820 has 36 divisors (see below), whose sum is σ = 182081340. Its totient is φ = 29562624.

The previous prime is 80068817. The next prime is 80068837. The reversal of 80068820 is 2886008.

It can be written as a sum of positive squares in 6 ways, for example, as 39287824 + 40780996 = 6268^2 + 6386^2 .

It is a super-2 number, since 2×80068820² = 12822031872384800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8465 + ... + 15224.

It is an arithmetic number, because the mean of its divisors is an integer number (5057815).

Almost surely, 2^80068820 is an apocalyptic number.

It is an amenable number.

80068820 is an abundant number, since it is smaller than the sum of its proper divisors (102012520).

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

80068820 is a wasteful number, since it uses less digits than its factorization.

80068820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23724 (or 23709 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80068820 is about 8948.1182379314. The cubic root of 80068820 is about 431.0104594229.

The spelling of 80068820 in words is "eighty million, sixty-eight thousand, eight hundred twenty".