86397758839 has 8 divisors (see below), whose sum is σ = 100092903200. Its totient is φ = 73040766336.

The previous prime is 86397758833. The next prime is 86397758857. The reversal of 86397758839 is 93885779368.

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-86397758839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86397758833) 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, 84537414 + ... + 84538435.

It is an arithmetic number, because the mean of its divisors is an integer number (12511612900).

Almost surely, 2^86397758839 is an apocalyptic number.

86397758839 is a deficient number, since it is larger than the sum of its proper divisors (13695144361).

86397758839 is a wasteful number, since it uses less digits than its factorization.

86397758839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169075929.

The product of its digits is 548674560, while the sum is 73.

The spelling of 86397758839 in words is "eighty-six billion, three hundred ninety-seven million, seven hundred fifty-eight thousand, eight hundred thirty-nine".