957668507 has 2 divisors, whose sum is σ = 957668508. Its totient is φ = 957668506.

The previous prime is 957668489. The next prime is 957668561. The reversal of 957668507 is 705866759.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 957668507 - 2²⁰ = 956619931 is a prime.

It is not a weakly prime, because it can be changed into another prime (957665507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478834253 + 478834254.

It is an arithmetic number, because the mean of its divisors is an integer number (478834254).

Almost surely, 2^957668507 is an apocalyptic number.

957668507 is a deficient number, since it is larger than the sum of its proper divisors (1).

957668507 is an equidigital number, since it uses as much as digits as its factorization.

957668507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The square root of 957668507 is about 30946.2195914137. The cubic root of 957668507 is about 985.6855773247.

The spelling of 957668507 in words is "nine hundred fifty-seven million, six hundred sixty-eight thousand, five hundred seven".