716766511 has 2 divisors, whose sum is σ = 716766512. Its totient is φ = 716766510.

The previous prime is 716766493. The next prime is 716766521. The reversal of 716766511 is 115667617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 716766511 - 2⁹ = 716765999 is a prime.

It is a super-2 number, since 2×716766511² = 1027508462582226242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716766521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358383255 + 358383256.

It is an arithmetic number, because the mean of its divisors is an integer number (358383256).

Almost surely, 2^716766511 is an apocalyptic number.

716766511 is a deficient number, since it is larger than the sum of its proper divisors (1).

716766511 is an equidigital number, since it uses as much as digits as its factorization.

716766511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

The square root of 716766511 is about 26772.4954197400. The cubic root of 716766511 is about 894.9372160321.

It can be divided in two parts, 71676 and 6511, that added together give a palindrome (78187).

The spelling of 716766511 in words is "seven hundred sixteen million, seven hundred sixty-six thousand, five hundred eleven".