83579862913 has 4 divisors (see below), whose sum is σ = 83591240128. Its totient is φ = 83568485700.

The previous prime is 83579862901. The next prime is 83579862923. The reversal of 83579862913 is 31926897538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83579862913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83579862923) 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, 5677581 + ... + 5692282.

It is an arithmetic number, because the mean of its divisors is an integer number (20897810032).

Almost surely, 2^83579862913 is an apocalyptic number.

It is an amenable number.

83579862913 is a deficient number, since it is larger than the sum of its proper divisors (11377215).

83579862913 is a wasteful number, since it uses less digits than its factorization.

83579862913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377214.

The product of its digits is 19595520, while the sum is 61.

The spelling of 83579862913 in words is "eighty-three billion, five hundred seventy-nine million, eight hundred sixty-two thousand, nine hundred thirteen".