83112479636 has 6 divisors (see below), whose sum is σ = 145446839370. Its totient is φ = 41556239816.

The previous prime is 83112479623. The next prime is 83112479663. The reversal of 83112479636 is 63697421138.

It can be written as a sum of positive squares in only one way, i.e., 59628756100 + 23483723536 = 244190^2 + 153244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10389059951 + ... + 10389059958.

It is an arithmetic number, because the mean of its divisors is an integer number (24241139895).

Almost surely, 2^83112479636 is an apocalyptic number.

It is an amenable number.

83112479636 is a deficient number, since it is larger than the sum of its proper divisors (62334359734).

83112479636 is a wasteful number, since it uses less digits than its factorization.

83112479636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20778119913 (or 20778119911 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The spelling of 83112479636 in words is "eighty-three billion, one hundred twelve million, four hundred seventy-nine thousand, six hundred thirty-six".