87964156 has 24 divisors (see below), whose sum is σ = 176158080. Its totient is φ = 37649712.

The previous prime is 87964141. The next prime is 87964183. The reversal of 87964156 is 65146978.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26991 + ... + 30073.

It is an arithmetic number, because the mean of its divisors is an integer number (7339920).

Almost surely, 2^87964156 is an apocalyptic number.

It is an amenable number.

87964156 is an abundant number, since it is smaller than the sum of its proper divisors (88193924).

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

87964156 is a wasteful number, since it uses less digits than its factorization.

87964156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113 (or 4111 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 87964156 is about 9378.9208334435. The cubic root of 87964156 is about 444.7356187441.

The spelling of 87964156 in words is "eighty-seven million, nine hundred sixty-four thousand, one hundred fifty-six".