87859656 has 48 divisors (see below), whose sum is σ = 238387500. Its totient is φ = 29233152.

The previous prime is 87859633. The next prime is 87859657. The reversal of 87859656 is 65695878.

It can be written as a sum of positive squares in 2 ways, for example, as 83722500 + 4137156 = 9150^2 + 2034^2 .

It is not an unprimeable number, because it can be changed into a prime (87859657) 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, 69720 + ... + 70968.

Almost surely, 2^87859656 is an apocalyptic number.

It is an amenable number.

87859656 is an abundant number, since it is smaller than the sum of its proper divisors (150527844).

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

87859656 is a wasteful number, since it uses less digits than its factorization.

87859656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2231 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 87859656 is about 9373.3481744785. The cubic root of 87859656 is about 444.5594360418.

The spelling of 87859656 in words is "eighty-seven million, eight hundred fifty-nine thousand, six hundred fifty-six".