715772887 has 2 divisors, whose sum is σ = 715772888. Its totient is φ = 715772886.

The previous prime is 715772861. The next prime is 715772899. The reversal of 715772887 is 788277517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715772887 - 2¹⁵ = 715740119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715773887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357886443 + 357886444.

It is an arithmetic number, because the mean of its divisors is an integer number (357886444).

Almost surely, 2^715772887 is an apocalyptic number.

715772887 is a deficient number, since it is larger than the sum of its proper divisors (1).

715772887 is an equidigital number, since it uses as much as digits as its factorization.

715772887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536640, while the sum is 52.

The square root of 715772887 is about 26753.9321782799. The cubic root of 715772887 is about 894.5234865489.

The spelling of 715772887 in words is "seven hundred fifteen million, seven hundred seventy-two thousand, eight hundred eighty-seven".