713777917 has 2 divisors, whose sum is σ = 713777918. Its totient is φ = 713777916.

The previous prime is 713777891. The next prime is 713777983. The reversal of 713777917 is 719777317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469762276 + 244015641 = 21674^2 + 15621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713777917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713777417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356888958 + 356888959.

It is an arithmetic number, because the mean of its divisors is an integer number (356888959).

Almost surely, 2^713777917 is an apocalyptic number.

It is an amenable number.

713777917 is a deficient number, since it is larger than the sum of its proper divisors (1).

713777917 is an equidigital number, since it uses as much as digits as its factorization.

713777917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453789, while the sum is 49.

The square root of 713777917 is about 26716.6224848876. The cubic root of 713777917 is about 893.6916547108.

The spelling of 713777917 in words is "seven hundred thirteen million, seven hundred seventy-seven thousand, nine hundred seventeen".