86177139 has 8 divisors (see below), whose sum is σ = 116040912. Its totient is φ = 56882400.

The previous prime is 86177129. The next prime is 86177191. The reversal of 86177139 is 93177168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86177139 - 2⁴ = 86177123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86177139.

It is not an unprimeable number, because it can be changed into a prime (86177129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141904 + ... + 142509.

It is an arithmetic number, because the mean of its divisors is an integer number (14505114).

Almost surely, 2^86177139 is an apocalyptic number.

86177139 is a deficient number, since it is larger than the sum of its proper divisors (29863773).

86177139 is a wasteful number, since it uses less digits than its factorization.

86177139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284517.

The product of its digits is 63504, while the sum is 42.

The square root of 86177139 is about 9283.1642773356. The cubic root of 86177139 is about 441.7033474856.

The spelling of 86177139 in words is "eighty-six million, one hundred seventy-seven thousand, one hundred thirty-nine".