715881871 has 2 divisors, whose sum is σ = 715881872. Its totient is φ = 715881870.

The previous prime is 715881841. The next prime is 715881937. The reversal of 715881871 is 178188517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 715881871 - 2¹³ = 715873679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715881811) 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, 357940935 + 357940936.

It is an arithmetic number, because the mean of its divisors is an integer number (357940936).

Almost surely, 2^715881871 is an apocalyptic number.

715881871 is a deficient number, since it is larger than the sum of its proper divisors (1).

715881871 is an equidigital number, since it uses as much as digits as its factorization.

715881871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 46.

The square root of 715881871 is about 26755.9688854655. The cubic root of 715881871 is about 894.5688844686.

The spelling of 715881871 in words is "seven hundred fifteen million, eight hundred eighty-one thousand, eight hundred seventy-one".