715255778579 has 2 divisors, whose sum is σ = 715255778580. Its totient is φ = 715255778578.

The previous prime is 715255778539. The next prime is 715255778603. The reversal of 715255778579 is 975877552517.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715255778579 - 2¹⁶ = 715255713043 is a prime.

It is not a weakly prime, because it can be changed into another prime (715255778539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357627889289 + 357627889290.

It is an arithmetic number, because the mean of its divisors is an integer number (357627889290).

Almost surely, 2^715255778579 is an apocalyptic number.

715255778579 is a deficient number, since it is larger than the sum of its proper divisors (1).

715255778579 is an equidigital number, since it uses as much as digits as its factorization.

715255778579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216090000, while the sum is 68.

The spelling of 715255778579 in words is "seven hundred fifteen billion, two hundred fifty-five million, seven hundred seventy-eight thousand, five hundred seventy-nine".