80772864 has 36 divisors (see below), whose sum is σ = 214975656. Its totient is φ = 26924032.

The previous prime is 80772863. The next prime is 80772907. The reversal of 80772864 is 46827708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80772863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51819 + ... + 53354.

It is an arithmetic number, because the mean of its divisors is an integer number (5971546).

Almost surely, 2^80772864 is an apocalyptic number.

It is an amenable number.

80772864 is an abundant number, since it is smaller than the sum of its proper divisors (134202792).

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

80772864 is a wasteful number, since it uses less digits than its factorization.

80772864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105192 (or 105178 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 80772864 is about 8987.3724747559. The cubic root of 80772864 is about 432.2700643306.

The spelling of 80772864 in words is "eighty million, seven hundred seventy-two thousand, eight hundred sixty-four".