8137347368 has 32 divisors (see below), whose sum is σ = 15552923400. Its totient is φ = 3989975808.

The previous prime is 8137347311. The next prime is 8137347403. The reversal of 8137347368 is 8637437318.

It can be written as a sum of positive squares in 4 ways, for example, as 3938566564 + 4198780804 = 62758^2 + 64798^2 .

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, 1315130 + ... + 1321302.

Almost surely, 2^8137347368 is an apocalyptic number.

It is an amenable number.

8137347368 is a deficient number, since it is larger than the sum of its proper divisors (7415576032).

8137347368 is a wasteful number, since it uses less digits than its factorization.

8137347368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9341 (or 9337 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 8137347368 is about 90207.2467598917. The cubic root of 8137347368 is about 2011.3807306480.

The spelling of 8137347368 in words is "eight billion, one hundred thirty-seven million, three hundred forty-seven thousand, three hundred sixty-eight".