715793987 has 2 divisors, whose sum is σ = 715793988. Its totient is φ = 715793986.

The previous prime is 715793963. The next prime is 715794007. The reversal of 715793987 is 789397517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715793987 - 2⁸ = 715793731 is a prime.

It is a super-2 number, since 2×715793987² = 1024722063650712338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715793917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357896993 + 357896994.

It is an arithmetic number, because the mean of its divisors is an integer number (357896994).

Almost surely, 2^715793987 is an apocalyptic number.

715793987 is a deficient number, since it is larger than the sum of its proper divisors (1).

715793987 is an equidigital number, since it uses as much as digits as its factorization.

715793987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960, while the sum is 56.

The square root of 715793987 is about 26754.3265099311. The cubic root of 715793987 is about 894.5322762364.

The spelling of 715793987 in words is "seven hundred fifteen million, seven hundred ninety-three thousand, nine hundred eighty-seven".