87038856 has 24 divisors (see below), whose sum is σ = 235730430. Its totient is φ = 29012928.

The previous prime is 87038851. The next prime is 87038899. The reversal of 87038856 is 65883078.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 7650756 = 8910^2 + 2766^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (87038851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 604365 + ... + 604508.

Almost surely, 2^87038856 is an apocalyptic number.

It is an amenable number.

87038856 is an abundant number, since it is smaller than the sum of its proper divisors (148691574).

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

87038856 is a wasteful number, since it uses less digits than its factorization.

87038856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208885 (or 1208878 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 87038856 is about 9329.4617208068. The cubic root of 87038856 is about 443.1707189359.

The spelling of 87038856 in words is "eighty-seven million, thirty-eight thousand, eight hundred fifty-six".