87685100 has 18 divisors (see below), whose sum is σ = 190276884. Its totient is φ = 35074000.

The previous prime is 87685097. The next prime is 87685141. The reversal of 87685100 is 158678.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438326 + ... + 438525.

It is an arithmetic number, because the mean of its divisors is an integer number (10570938).

Almost surely, 2^87685100 is an apocalyptic number.

It is an amenable number.

87685100 is an abundant number, since it is smaller than the sum of its proper divisors (102591784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87685100 is a wasteful number, since it uses less digits than its factorization.

87685100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876865 (or 876858 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 87685100 is about 9364.0322511192. The cubic root of 87685100 is about 444.2648299680.

The spelling of 87685100 in words is "eighty-seven million, six hundred eighty-five thousand, one hundred".