86252889 has 32 divisors (see below), whose sum is σ = 122145408. Its totient is φ = 54080000.

The previous prime is 86252863. The next prime is 86252977. The reversal of 86252889 is 98825268.

It is a cyclic number.

It is not a de Polignac number, because 86252889 - 2⁵ = 86252857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86252389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658354 + ... + 658484.

It is an arithmetic number, because the mean of its divisors is an integer number (3817044).

Almost surely, 2^86252889 is an apocalyptic number.

It is an amenable number.

86252889 is a deficient number, since it is larger than the sum of its proper divisors (35892519).

86252889 is a wasteful number, since it uses less digits than its factorization.

86252889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 552960, while the sum is 48.

The square root of 86252889 is about 9287.2433477324. The cubic root of 86252889 is about 441.8327291685.

The spelling of 86252889 in words is "eighty-six million, two hundred fifty-two thousand, eight hundred eighty-nine".