86571132 has 48 divisors (see below), whose sum is σ = 205535232. Its totient is φ = 28357120.

The previous prime is 86571109. The next prime is 86571137. The reversal of 86571132 is 23117568.

It is a super-2 number, since 2×86571132² = 14989121791522848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86571093 and 86571102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86571137) 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, 245068 + ... + 245420.

It is an arithmetic number, because the mean of its divisors is an integer number (4281984).

Almost surely, 2^86571132 is an apocalyptic number.

It is an amenable number.

86571132 is an abundant number, since it is smaller than the sum of its proper divisors (118964100).

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

86571132 is a wasteful number, since it uses less digits than its factorization.

86571132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 86571132 is about 9304.3609130343. The cubic root of 86571132 is about 442.3754649707.

The spelling of 86571132 in words is "eighty-six million, five hundred seventy-one thousand, one hundred thirty-two".