86531152 has 40 divisors (see below), whose sum is σ = 177113664. Its totient is φ = 40871424.

The previous prime is 86531143. The next prime is 86531161. The reversal of 86531152 is 25113568.

It is an interprime number because it is at equal distance from previous prime (86531143) and next prime (86531161).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29128 + ... + 31960.

Almost surely, 2^86531152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86531152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88556832).

86531152 is an abundant number, since it is smaller than the sum of its proper divisors (90582512).

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

86531152 is a wasteful number, since it uses less digits than its factorization.

86531152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947 (or 2941 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 86531152 is about 9302.2122100068. The cubic root of 86531152 is about 442.3073556831.

The spelling of 86531152 in words is "eighty-six million, five hundred thirty-one thousand, one hundred fifty-two".