87705745284 has 12 divisors (see below), whose sum is σ = 204646739024. Its totient is φ = 29235248424.

The previous prime is 87705745249. The next prime is 87705745297. The reversal of 87705745284 is 48254750778.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3654406042 + ... + 3654406065.

Almost surely, 2^87705745284 is an apocalyptic number.

It is an amenable number.

87705745284 is an abundant number, since it is smaller than the sum of its proper divisors (116940993740).

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

87705745284 is a wasteful number, since it uses less digits than its factorization.

87705745284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308812114 (or 7308812112 counting only the distinct ones).

The product of its (nonzero) digits is 17561600, while the sum is 57.

The spelling of 87705745284 in words is "eighty-seven billion, seven hundred five million, seven hundred forty-five thousand, two hundred eighty-four".