957117691247 has 2 divisors, whose sum is σ = 957117691248. Its totient is φ = 957117691246.

The previous prime is 957117691183. The next prime is 957117691303. The reversal of 957117691247 is 742196711759.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 957117691247 - 2⁶ = 957117691183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (957117691147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478558845623 + 478558845624.

It is an arithmetic number, because the mean of its divisors is an integer number (478558845624).

Almost surely, 2^957117691247 is an apocalyptic number.

957117691247 is a deficient number, since it is larger than the sum of its proper divisors (1).

957117691247 is an equidigital number, since it uses as much as digits as its factorization.

957117691247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 59.

The spelling of 957117691247 in words is "nine hundred fifty-seven billion, one hundred seventeen million, six hundred ninety-one thousand, two hundred forty-seven".