86334175391 has 4 divisors (see below), whose sum is σ = 86816489400. Its totient is φ = 85851861384.

The previous prime is 86334175387. The next prime is 86334175409. The reversal of 86334175391 is 19357143368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86334175391 - 2² = 86334175387 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 (86334175381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241156736 + ... + 241157093.

It is an arithmetic number, because the mean of its divisors is an integer number (21704122350).

Almost surely, 2^86334175391 is an apocalyptic number.

86334175391 is a deficient number, since it is larger than the sum of its proper divisors (482314009).

86334175391 is a wasteful number, since it uses less digits than its factorization.

86334175391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482314008.

The product of its digits is 1632960, while the sum is 50.

The spelling of 86334175391 in words is "eighty-six billion, three hundred thirty-four million, one hundred seventy-five thousand, three hundred ninety-one".