716837879522 has 6 divisors (see below), whose sum is σ = 1075258615329. Its totient is φ = 358418341080.

The previous prime is 716837879509. The next prime is 716837879627. The reversal of 716837879522 is 225978738617.

It can be written as a sum of positive squares in 2 ways, for example, as 561374064001 + 155463815521 = 749249^2 + 394289^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=598681.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 898022 + ... + 1496702.

Almost surely, 2^716837879522 is an apocalyptic number.

716837879522 is a deficient number, since it is larger than the sum of its proper divisors (358420735807).

716837879522 is an frugal number, since it uses more digits than its factorization.

716837879522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197364 (or 598683 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 65.

The spelling of 716837879522 in words is "seven hundred sixteen billion, eight hundred thirty-seven million, eight hundred seventy-nine thousand, five hundred twenty-two".