87976864 has 12 divisors (see below), whose sum is σ = 173204514. Its totient is φ = 43988416.

The previous prime is 87976841. The next prime is 87976871. The reversal of 87976864 is 46867978.

It can be written as a sum of positive squares in only one way, i.e., 69555600 + 18421264 = 8340^2 + 4292^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374607 + ... + 1374670.

Almost surely, 2^87976864 is an apocalyptic number.

It is an amenable number.

87976864 is a deficient number, since it is larger than the sum of its proper divisors (85227650).

87976864 is a wasteful number, since it uses less digits than its factorization.

87976864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749287 (or 2749279 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 87976864 is about 9379.5982856410. The cubic root of 87976864 is about 444.7570343917.

The spelling of 87976864 in words is "eighty-seven million, nine hundred seventy-six thousand, eight hundred sixty-four".