86159031 has 16 divisors (see below), whose sum is σ = 132768000. Its totient is φ = 48679488.

The previous prime is 86159027. The next prime is 86159033. The reversal of 86159031 is 13095168.

It is not a de Polignac number, because 86159031 - 2² = 86159027 is a prime.

It is a super-2 number, since 2×86159031² = 14846757245717922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86158983 and 86159001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86159033) 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, 21181 + ... + 24918.

It is an arithmetic number, because the mean of its divisors is an integer number (8298000).

Almost surely, 2^86159031 is an apocalyptic number.

86159031 is a deficient number, since it is larger than the sum of its proper divisors (46608969).

86159031 is a wasteful number, since it uses less digits than its factorization.

86159031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46198.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 86159031 is about 9282.1889121047. The cubic root of 86159031 is about 441.6724076308.

The spelling of 86159031 in words is "eighty-six million, one hundred fifty-nine thousand, thirty-one".