86651125 has 48 divisors (see below), whose sum is σ = 126230832. Its totient is φ = 59136000.

The previous prime is 86651113. The next prime is 86651177. The reversal of 86651125 is 52115668.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 25826724 + 60824401 = 5082^2 + 7799^2 .

It is not a de Polignac number, because 86651125 - 2⁵ = 86651093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256957 + ... + 257293.

It is an arithmetic number, because the mean of its divisors is an integer number (2629809).

Almost surely, 2^86651125 is an apocalyptic number.

86651125 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86651125 is a deficient number, since it is larger than the sum of its proper divisors (39579707).

86651125 is a wasteful number, since it uses less digits than its factorization.

86651125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 370 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 86651125 is about 9308.6586036872. The cubic root of 86651125 is about 442.5116768387.

The spelling of 86651125 in words is "eighty-six million, six hundred fifty-one thousand, one hundred twenty-five".