3107661957 has 10 divisors (see below), whose sum is σ = 4642309958. Its totient is φ = 2071774584.

The previous prime is 3107661937. The next prime is 3107661967. The reversal of 3107661957 is 7591667013.

It can be written as a sum of positive squares in only one way, i.e., 1655594721 + 1452067236 = 40689^2 + 38106^2 .

It is not a de Polignac number, because 3107661957 - 2¹⁴ = 3107645573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3107661917) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19183018 + ... + 19183179.

Almost surely, 2^3107661957 is an apocalyptic number.

It is an amenable number.

3107661957 is a deficient number, since it is larger than the sum of its proper divisors (1534648001).

3107661957 is an equidigital number, since it uses as much as digits as its factorization.

3107661957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38366209 (or 38366200 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 3107661957 is about 55746.4075703538. The cubic root of 3107661957 is about 1459.3000267885.

The spelling of 3107661957 in words is "three billion, one hundred seven million, six hundred sixty-one thousand, nine hundred fifty-seven".