86761956 has 12 divisors (see below), whose sum is σ = 202444592. Its totient is φ = 28920648.

The previous prime is 86761951. The next prime is 86761973. The reversal of 86761956 is 65916768.

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

It is not an unprimeable number, because it can be changed into a prime (86761951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615070 + ... + 3615093.

Almost surely, 2^86761956 is an apocalyptic number.

It is an amenable number.

86761956 is an abundant number, since it is smaller than the sum of its proper divisors (115682636).

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

86761956 is a wasteful number, since it uses less digits than its factorization.

86761956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230170 (or 7230168 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 86761956 is about 9314.6098146943. The cubic root of 86761956 is about 442.7002611054.

The spelling of 86761956 in words is "eighty-six million, seven hundred sixty-one thousand, nine hundred fifty-six".