86159895 has 16 divisors (see below), whose sum is σ = 138089472. Its totient is φ = 45874080.

The previous prime is 86159891. The next prime is 86159897. The reversal of 86159895 is 59895168.

It is not a de Polignac number, because 86159895 - 2² = 86159891 is a prime.

It is a super-2 number, since 2×86159895² = 14847055012822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86159891) 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, 4914 + ... + 14016.

It is an arithmetic number, because the mean of its divisors is an integer number (8630592).

Almost surely, 2^86159895 is an apocalyptic number.

86159895 is a deficient number, since it is larger than the sum of its proper divisors (51929577).

86159895 is a wasteful number, since it uses less digits than its factorization.

86159895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9742.

The product of its digits is 777600, while the sum is 51.

The square root of 86159895 is about 9282.2354527344. The cubic root of 86159895 is about 441.6738839847.

The spelling of 86159895 in words is "eighty-six million, one hundred fifty-nine thousand, eight hundred ninety-five".