956379917 has 2 divisors, whose sum is σ = 956379918. Its totient is φ = 956379916.

The previous prime is 956379913. The next prime is 956379929. The reversal of 956379917 is 719973659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920151556 + 36228361 = 30334^2 + 6019^2 .

It is an emirp because it is prime and its reverse (719973659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 956379917 - 2² = 956379913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (956379913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478189958 + 478189959.

It is an arithmetic number, because the mean of its divisors is an integer number (478189959).

Almost surely, 2^956379917 is an apocalyptic number.

It is an amenable number.

956379917 is a deficient number, since it is larger than the sum of its proper divisors (1).

956379917 is an equidigital number, since it uses as much as digits as its factorization.

956379917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3214890, while the sum is 56.

The square root of 956379917 is about 30925.3927541753. The cubic root of 956379917 is about 985.2432827744.

The spelling of 956379917 in words is "nine hundred fifty-six million, three hundred seventy-nine thousand, nine hundred seventeen".