957320879 has 2 divisors, whose sum is σ = 957320880. Its totient is φ = 957320878.

The previous prime is 957320851. The next prime is 957320891. The reversal of 957320879 is 978023759.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-957320879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (957323879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478660439 + 478660440.

It is an arithmetic number, because the mean of its divisors is an integer number (478660440).

Almost surely, 2^957320879 is an apocalyptic number.

957320879 is a deficient number, since it is larger than the sum of its proper divisors (1).

957320879 is an equidigital number, since it uses as much as digits as its factorization.

957320879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 957320879 is about 30940.6024343418. The cubic root of 957320879 is about 985.5662968806.

The spelling of 957320879 in words is "nine hundred fifty-seven million, three hundred twenty thousand, eight hundred seventy-nine".