86525720 has 32 divisors (see below), whose sum is σ = 195333120. Its totient is φ = 34494720.

The previous prime is 86525713. The next prime is 86525771. The reversal of 86525720 is 2752568.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 9065 + ... + 15975.

It is an arithmetic number, because the mean of its divisors is an integer number (6104160).

Almost surely, 2^86525720 is an apocalyptic number.

It is an amenable number.

86525720 is an abundant number, since it is smaller than the sum of its proper divisors (108807400).

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

86525720 is a wasteful number, since it uses less digits than its factorization.

86525720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235 (or 7231 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 86525720 is about 9301.9202318661. The cubic root of 86525720 is about 442.2981001962.

The spelling of 86525720 in words is "eighty-six million, five hundred twenty-five thousand, seven hundred twenty".