8477831313 has 12 divisors (see below), whose sum is σ = 13995150208. Its totient is φ = 4844475000.

The previous prime is 8477831287. The next prime is 8477831317. The reversal of 8477831313 is 3131387748.

It is not a de Polignac number, because 8477831313 - 2⁶ = 8477831249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8477831317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67284313 + ... + 67284438.

Almost surely, 2^8477831313 is an apocalyptic number.

It is an amenable number.

8477831313 is a deficient number, since it is larger than the sum of its proper divisors (5517318895).

8477831313 is a wasteful number, since it uses less digits than its factorization.

8477831313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134568764 (or 134568761 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 8477831313 is about 92075.1394948713. The cubic root of 8477831313 is about 2039.0517918885.

The spelling of 8477831313 in words is "eight billion, four hundred seventy-seven million, eight hundred thirty-one thousand, three hundred thirteen".