715880857877 has 2 divisors, whose sum is σ = 715880857878. Its totient is φ = 715880857876.

The previous prime is 715880857871. The next prime is 715880857897. The reversal of 715880857877 is 778758088517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419170784356 + 296710073521 = 647434^2 + 544711^2 .

It is a cyclic number.

It is not a de Polignac number, because 715880857877 - 2¹⁰ = 715880856853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 715880857877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715880857871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357940428938 + 357940428939.

It is an arithmetic number, because the mean of its divisors is an integer number (357940428939).

Almost surely, 2^715880857877 is an apocalyptic number.

It is an amenable number.

715880857877 is a deficient number, since it is larger than the sum of its proper divisors (1).

715880857877 is an equidigital number, since it uses as much as digits as its factorization.

715880857877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245862400, while the sum is 71.

The spelling of 715880857877 in words is "seven hundred fifteen billion, eight hundred eighty million, eight hundred fifty-seven thousand, eight hundred seventy-seven".