86172516835 has 8 divisors (see below), whose sum is σ = 105607169856. Its totient is φ = 67471247040.

The previous prime is 86172516803. The next prime is 86172516863. The reversal of 86172516835 is 53861527168.

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

It is not a de Polignac number, because 86172516835 - 2⁵ = 86172516803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183345546 + ... + 183346015.

It is an arithmetic number, because the mean of its divisors is an integer number (13200896232).

Almost surely, 2^86172516835 is an apocalyptic number.

86172516835 is a deficient number, since it is larger than the sum of its proper divisors (19434653021).

86172516835 is a wasteful number, since it uses less digits than its factorization.

86172516835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366691613.

The product of its digits is 2419200, while the sum is 52.

The spelling of 86172516835 in words is "eighty-six billion, one hundred seventy-two million, five hundred sixteen thousand, eight hundred thirty-five".