716177797 has 2 divisors, whose sum is σ = 716177798. Its totient is φ = 716177796.

The previous prime is 716177743. The next prime is 716177821. The reversal of 716177797 is 797771617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643433956 + 72743841 = 25366^2 + 8529^2 .

It is an emirp because it is prime and its reverse (797771617) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716177797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716177597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358088898 + 358088899.

It is an arithmetic number, because the mean of its divisors is an integer number (358088899).

Almost surely, 2^716177797 is an apocalyptic number.

It is an amenable number.

716177797 is a deficient number, since it is larger than the sum of its proper divisors (1).

716177797 is an equidigital number, since it uses as much as digits as its factorization.

716177797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907578, while the sum is 52.

The square root of 716177797 is about 26761.4984072268. The cubic root of 716177797 is about 894.6921309305.

The spelling of 716177797 in words is "seven hundred sixteen million, one hundred seventy-seven thousand, seven hundred ninety-seven".