87085012 has 12 divisors (see below), whose sum is σ = 174170080. Its totient is φ = 37322136.

The previous prime is 87085007. The next prime is 87085021. The reversal of 87085012 is 21058078.

87085012 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555062 + ... + 1555117.

Almost surely, 2^87085012 is an apocalyptic number.

It is an amenable number.

87085012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87085012 is a wasteful number, since it uses less digits than its factorization.

87085012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110190 (or 3110188 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 87085012 is about 9331.9350619258. The cubic root of 87085012 is about 443.2490417066.

The spelling of 87085012 in words is "eighty-seven million, eighty-five thousand, twelve".