87000036 has 48 divisors (see below), whose sum is σ = 207345600. Its totient is φ = 28385280.

The previous prime is 86999989. The next prime is 87000037. The reversal of 87000036 is 63000078.

It is not an unprimeable number, because it can be changed into a prime (87000037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193540 + ... + 193988.

It is an arithmetic number, because the mean of its divisors is an integer number (4319700).

Almost surely, 2^87000036 is an apocalyptic number.

It is an amenable number.

87000036 is an abundant number, since it is smaller than the sum of its proper divisors (120345564).

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

87000036 is a wasteful number, since it uses less digits than its factorization.

87000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 87000036 is about 9327.3809828912. The cubic root of 87000036 is about 443.1048232873.

The spelling of 87000036 in words is "eighty-seven million, thirty-six", and thus it is an aban number and an uban number.