86172501389 has 8 divisors (see below), whose sum is σ = 94374057120. Its totient is φ = 78195645936.

The previous prime is 86172501341. The next prime is 86172501397. The reversal of 86172501389 is 98310527168.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86172501389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86172504389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56174267 + ... + 56175800.

It is an arithmetic number, because the mean of its divisors is an integer number (11796757140).

Almost surely, 2^86172501389 is an apocalyptic number.

It is an amenable number.

86172501389 is a deficient number, since it is larger than the sum of its proper divisors (8201555731).

86172501389 is a wasteful number, since it uses less digits than its factorization.

86172501389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112350139.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 86172501389 in words is "eighty-six billion, one hundred seventy-two million, five hundred one thousand, three hundred eighty-nine".