86156079 has 16 divisors (see below), whose sum is σ = 117186048. Its totient is φ = 56293632.

The previous prime is 86156069. The next prime is 86156093. The reversal of 86156079 is 97065168.

It is not a de Polignac number, because 86156079 - 2⁹ = 86155567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86156079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86156009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29754 + ... + 32520.

It is an arithmetic number, because the mean of its divisors is an integer number (7324128).

Almost surely, 2^86156079 is an apocalyptic number.

86156079 is a deficient number, since it is larger than the sum of its proper divisors (31029969).

86156079 is a wasteful number, since it uses less digits than its factorization.

86156079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 86156079 is about 9282.0298965259. The cubic root of 86156079 is about 441.6673633469.

The spelling of 86156079 in words is "eighty-six million, one hundred fifty-six thousand, seventy-nine".