87677164828 has 36 divisors (see below), whose sum is σ = 178572443616. Its totient is φ = 37508944000.

The previous prime is 87677164823. The next prime is 87677164829. The reversal of 87677164828 is 82846177678.

It is a self number, because there is not a number n which added to its sum of digits gives 87677164828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87677164823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5319748 + ... + 5336203.

It is an arithmetic number, because the mean of its divisors is an integer number (4960345656).

Almost surely, 2^87677164828 is an apocalyptic number.

It is an amenable number.

87677164828 is an abundant number, since it is smaller than the sum of its proper divisors (90895278788).

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

87677164828 is a wasteful number, since it uses less digits than its factorization.

87677164828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655994 (or 10655981 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 64.

The spelling of 87677164828 in words is "eighty-seven billion, six hundred seventy-seven million, one hundred sixty-four thousand, eight hundred twenty-eight".