957996779 has 2 divisors, whose sum is σ = 957996780. Its totient is φ = 957996778.

The previous prime is 957996763. The next prime is 957996791. The reversal of 957996779 is 977699759.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 957996779 - 2⁴ = 957996763 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (957996719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478998389 + 478998390.

It is an arithmetic number, because the mean of its divisors is an integer number (478998390).

Almost surely, 2^957996779 is an apocalyptic number.

957996779 is a deficient number, since it is larger than the sum of its proper divisors (1).

957996779 is an equidigital number, since it uses as much as digits as its factorization.

957996779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67512690, while the sum is 68.

The square root of 957996779 is about 30951.5230481474. The cubic root of 957996779 is about 985.7981897123.

The spelling of 957996779 in words is "nine hundred fifty-seven million, nine hundred ninety-six thousand, seven hundred seventy-nine".