83374406791 has 16 divisors (see below), whose sum is σ = 90395472160. Its totient is φ = 76441760640.

The previous prime is 83374406779. The next prime is 83374406809. The reversal of 83374406791 is 19760447338.

It is a cyclic number.

It is not a de Polignac number, because 83374406791 - 2⁷ = 83374406663 is a prime.

It is a super-2 number, since 2×83374406791² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83374406491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220056 + ... + 1286578.

It is an arithmetic number, because the mean of its divisors is an integer number (5649717010).

Almost surely, 2^83374406791 is an apocalyptic number.

83374406791 is a deficient number, since it is larger than the sum of its proper divisors (7021065369).

83374406791 is a wasteful number, since it uses less digits than its factorization.

83374406791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67186.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 83374406791 in words is "eighty-three billion, three hundred seventy-four million, four hundred six thousand, seven hundred ninety-one".