87692164 has 18 divisors (see below), whose sum is σ = 178516590. Its totient is φ = 37582272.

The previous prime is 87692131. The next prime is 87692219. The reversal of 87692164 is 46129678.

It can be written as a sum of positive squares in only one way, i.e., 86676100 + 1016064 = 9310^2 + 1008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87692164.

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 5 ways as a sum of consecutive naturals, for example, 223509 + ... + 223900.

Almost surely, 2^87692164 is an apocalyptic number.

It is an amenable number.

87692164 is an abundant number, since it is smaller than the sum of its proper divisors (90824426).

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

87692164 is a wasteful number, since it uses less digits than its factorization.

87692164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447427 (or 447418 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 87692164 is about 9364.4094314591. The cubic root of 87692164 is about 444.2767597884.

The spelling of 87692164 in words is "eighty-seven million, six hundred ninety-two thousand, one hundred sixty-four".