87678056 has 16 divisors (see below), whose sum is σ = 165852900. Its totient is φ = 43450624.

The previous prime is 87677939. The next prime is 87678067. The reversal of 87678056 is 65087678.

It can be written as a sum of positive squares in 2 ways, for example, as 76562500 + 11115556 = 8750^2 + 3334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87678056.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47591 + ... + 49398.

Almost surely, 2^87678056 is an apocalyptic number.

It is an amenable number.

87678056 is a deficient number, since it is larger than the sum of its proper divisors (78174844).

87678056 is a wasteful number, since it uses less digits than its factorization.

87678056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97108 (or 97104 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 87678056 is about 9363.6561235449. The cubic root of 87678056 is about 444.2529332860.

The spelling of 87678056 in words is "eighty-seven million, six hundred seventy-eight thousand, fifty-six".