86131792 has 20 divisors (see below), whose sum is σ = 176697396. Its totient is φ = 40532480.

The previous prime is 86131789. The next prime is 86131813. The reversal of 86131792 is 29713168.

It can be written as a sum of positive squares in 2 ways, for example, as 69288976 + 16842816 = 8324^2 + 4104^2 .

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, 158059 + ... + 158602.

Almost surely, 2^86131792 is an apocalyptic number.

It is an amenable number.

86131792 is an abundant number, since it is smaller than the sum of its proper divisors (90565604).

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

86131792 is a wasteful number, since it uses less digits than its factorization.

86131792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316686 (or 316680 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 86131792 is about 9280.7215236748. The cubic root of 86131792 is about 441.6258581179.

The spelling of 86131792 in words is "eighty-six million, one hundred thirty-one thousand, seven hundred ninety-two".