716807487779 has 2 divisors, whose sum is σ = 716807487780. Its totient is φ = 716807487778.

The previous prime is 716807487749. The next prime is 716807487787. The reversal of 716807487779 is 977784708617.

It is a strong prime.

It is an emirp because it is prime and its reverse (977784708617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 716807487779 - 2³² = 712512520483 is a prime.

It is not a weakly prime, because it can be changed into another prime (716807487749) 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, 358403743889 + 358403743890.

It is an arithmetic number, because the mean of its divisors is an integer number (358403743890).

Almost surely, 2^716807487779 is an apocalyptic number.

716807487779 is a deficient number, since it is larger than the sum of its proper divisors (1).

716807487779 is an equidigital number, since it uses as much as digits as its factorization.

716807487779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 232339968, while the sum is 71.

The spelling of 716807487779 in words is "seven hundred sixteen billion, eight hundred seven million, four hundred eighty-seven thousand, seven hundred seventy-nine".