86159451 has 16 divisors (see below), whose sum is σ = 139014144. Its totient is φ = 46337664.

The previous prime is 86159441. The next prime is 86159453. The reversal of 86159451 is 15495168.

It is not a de Polignac number, because 86159451 - 2⁵ = 86159419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86159453) 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, 120315 + ... + 121028.

It is an arithmetic number, because the mean of its divisors is an integer number (8688384).

Almost surely, 2^86159451 is an apocalyptic number.

86159451 is a deficient number, since it is larger than the sum of its proper divisors (52854693).

86159451 is a wasteful number, since it uses less digits than its factorization.

86159451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241370.

The product of its digits is 43200, while the sum is 39.

The square root of 86159451 is about 9282.2115360511. The cubic root of 86159451 is about 441.6731253041.

The spelling of 86159451 in words is "eighty-six million, one hundred fifty-nine thousand, four hundred fifty-one".