83922261791 has 8 divisors (see below), whose sum is σ = 84153392640. Its totient is φ = 83691194272.

The previous prime is 83922261733. The next prime is 83922261799. The reversal of 83922261791 is 19716222938.

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-83922261791 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 (83922261799) 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 7 ways as a sum of consecutive naturals, for example, 4045241 + ... + 4065933.

It is an arithmetic number, because the mean of its divisors is an integer number (10519174080).

Almost surely, 2^83922261791 is an apocalyptic number.

83922261791 is a deficient number, since it is larger than the sum of its proper divisors (231130849).

83922261791 is a wasteful number, since it uses less digits than its factorization.

83922261791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31665.

The product of its digits is 653184, while the sum is 50.

The spelling of 83922261791 in words is "eighty-three billion, nine hundred twenty-two million, two hundred sixty-one thousand, seven hundred ninety-one".