83791322169 has 8 divisors (see below), whose sum is σ = 111727888512. Its totient is φ = 55857818640.

The previous prime is 83791322137. The next prime is 83791322177. The reversal of 83791322169 is 96122319738.

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

It is not a de Polignac number, because 83791322169 - 2⁵ = 83791322137 is a prime.

It is a super-2 number, since 2×83791322169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83791322569) 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, 701089 + ... + 811854.

It is an arithmetic number, because the mean of its divisors is an integer number (13965986064).

Almost surely, 2^83791322169 is an apocalyptic number.

It is an amenable number.

83791322169 is a deficient number, since it is larger than the sum of its proper divisors (27936566343).

83791322169 is a wasteful number, since it uses less digits than its factorization.

83791322169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531407.

The product of its digits is 979776, while the sum is 51.

The spelling of 83791322169 in words is "eighty-three billion, seven hundred ninety-one million, three hundred twenty-two thousand, one hundred sixty-nine".