716774903947 has 2 divisors, whose sum is σ = 716774903948. Its totient is φ = 716774903946.

The previous prime is 716774903909. The next prime is 716774903953. The reversal of 716774903947 is 749309477617.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716774903947 is a prime.

It is not a weakly prime, because it can be changed into another prime (716774903147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358387451973 + 358387451974.

It is an arithmetic number, because the mean of its divisors is an integer number (358387451974).

Almost surely, 2^716774903947 is an apocalyptic number.

716774903947 is a deficient number, since it is larger than the sum of its proper divisors (1).

716774903947 is an equidigital number, since it uses as much as digits as its factorization.

716774903947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56010528, while the sum is 64.

The spelling of 716774903947 in words is "seven hundred sixteen billion, seven hundred seventy-four million, nine hundred three thousand, nine hundred forty-seven".