77564232882 has 24 divisors (see below), whose sum is σ = 174280129296. Its totient is φ = 25854744132.

The previous prime is 77564232859. The next prime is 77564232901. The reversal of 77564232882 is 28823246577.

77564232882 is a `hidden beast` number, since 77 + 56 + 423 + 28 + 82 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79798108 + ... + 79799079.

It is an arithmetic number, because the mean of its divisors is an integer number (7261672054).

Almost surely, 2^77564232882 is an apocalyptic number.

77564232882 is an abundant number, since it is smaller than the sum of its proper divisors (96715896414).

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

77564232882 is a wasteful number, since it uses less digits than its factorization.

77564232882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159597204 (or 159597192 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 77564232882 in words is "seventy-seven billion, five hundred sixty-four million, two hundred thirty-two thousand, eight hundred eighty-two".