87965712 has 60 divisors (see below), whose sum is σ = 246824604. Its totient is φ = 29245440.

The previous prime is 87965699. The next prime is 87965741. The reversal of 87965712 is 21756978.

87965712 is a `hidden beast` number, since 8 + 79 + 6 + 571 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60466176 + 27499536 = 7776^2 + 5244^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91828 + ... + 92780.

Almost surely, 2^87965712 is an apocalyptic number.

It is an amenable number.

87965712 is an abundant number, since it is smaller than the sum of its proper divisors (158858892).

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

87965712 is a wasteful number, since it uses less digits than its factorization.

87965712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1599 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 87965712 is about 9379.0037850509. The cubic root of 87965712 is about 444.7382410415.

The spelling of 87965712 in words is "eighty-seven million, nine hundred sixty-five thousand, seven hundred twelve".