87118004 has 24 divisors (see below), whose sum is σ = 155594208. Its totient is φ = 42668640.

The previous prime is 87117977. The next prime is 87118027. The reversal of 87118004 is 40081178.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74327 + ... + 75489.

It is an arithmetic number, because the mean of its divisors is an integer number (6483092).

Almost surely, 2^87118004 is an apocalyptic number.

It is an amenable number.

87118004 is a deficient number, since it is larger than the sum of its proper divisors (68476204).

87118004 is a wasteful number, since it uses less digits than its factorization.

87118004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 87118004 is about 9333.7025879337. The cubic root of 87118004 is about 443.3050093399.

The spelling of 87118004 in words is "eighty-seven million, one hundred eighteen thousand, four".