83131621862 has 16 divisors (see below), whose sum is σ = 125247762432. Its totient is φ = 41382625800.

The previous prime is 83131621841. The next prime is 83131621873. The reversal of 83131621862 is 26812613138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587663 + ... + 715269.

It is an arithmetic number, because the mean of its divisors is an integer number (7827985152).

Almost surely, 2^83131621862 is an apocalyptic number.

83131621862 is a deficient number, since it is larger than the sum of its proper divisors (42116140570).

83131621862 is a wasteful number, since it uses less digits than its factorization.

83131621862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129043.

The product of its digits is 82944, while the sum is 41.

The spelling of 83131621862 in words is "eighty-three billion, one hundred thirty-one million, six hundred twenty-one thousand, eight hundred sixty-two".