86957169 has 16 divisors (see below), whose sum is σ = 125116992. Its totient is φ = 53402688.

The previous prime is 86957161. The next prime is 86957173. The reversal of 86957169 is 96175968.

It is not a de Polignac number, because 86957169 - 2³ = 86957161 is a prime.

It is a super-2 number, since 2×86957169² = 15123098480989122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86957161) 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, 19722 + ... + 23724.

It is an arithmetic number, because the mean of its divisors is an integer number (7819812).

Almost surely, 2^86957169 is an apocalyptic number.

It is an amenable number.

86957169 is a deficient number, since it is larger than the sum of its proper divisors (38159823).

86957169 is a wasteful number, since it uses less digits than its factorization.

86957169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576.

The product of its digits is 816480, while the sum is 51.

The square root of 86957169 is about 9325.0827878363. The cubic root of 86957169 is about 443.0320352139.

The spelling of 86957169 in words is "eighty-six million, nine hundred fifty-seven thousand, one hundred sixty-nine".