7557752313 has 6 divisors (see below), whose sum is σ = 10916753354. Its totient is φ = 5038501536.

The previous prime is 7557752311. The next prime is 7557752359. The reversal of 7557752313 is 3132577557.

7557752313 is a `hidden beast` number, since 7 + 55 + 77 + 523 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7015235049 + 542517264 = 83757^2 + 23292^2 .

It is not a de Polignac number, because 7557752313 - 2¹ = 7557752311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7557752311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419875120 + ... + 419875137.

Almost surely, 2^7557752313 is an apocalyptic number.

It is an amenable number.

7557752313 is a deficient number, since it is larger than the sum of its proper divisors (3359001041).

7557752313 is a wasteful number, since it uses less digits than its factorization.

7557752313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839750263 (or 839750260 counting only the distinct ones).

The product of its digits is 771750, while the sum is 45.

The square root of 7557752313 is about 86935.3340880450. The cubic root of 7557752313 is about 1962.4452606637.

The spelling of 7557752313 in words is "seven billion, five hundred fifty-seven million, seven hundred fifty-two thousand, three hundred thirteen".