87566038 has 24 divisors (see below), whose sum is σ = 153214632. Its totient is φ = 37425024.

The previous prime is 87565999. The next prime is 87566047. The reversal of 87566038 is 83066578.

It is a super-2 number, since 2×87566038² = 15335622022034888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87565985 and 87566003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42406 + ... + 44422.

It is an arithmetic number, because the mean of its divisors is an integer number (6383943).

Almost surely, 2^87566038 is an apocalyptic number.

87566038 is a deficient number, since it is larger than the sum of its proper divisors (65648594).

87566038 is a wasteful number, since it uses less digits than its factorization.

87566038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 87566038 is about 9357.6726807471. The cubic root of 87566038 is about 444.0636592704.

The spelling of 87566038 in words is "eighty-seven million, five hundred sixty-six thousand, thirty-eight".