87100504 has 8 divisors (see below), whose sum is σ = 163313460. Its totient is φ = 43550248.

The previous prime is 87100501. The next prime is 87100511. The reversal of 87100504 is 40500178.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87100501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5443774 + ... + 5443789.

Almost surely, 2^87100504 is an apocalyptic number.

It is an amenable number.

87100504 is a deficient number, since it is larger than the sum of its proper divisors (76212956).

87100504 is a wasteful number, since it uses less digits than its factorization.

87100504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887569 (or 10887565 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 87100504 is about 9332.7650779391. The cubic root of 87100504 is about 443.2753240976.

The spelling of 87100504 in words is "eighty-seven million, one hundred thousand, five hundred four".