715845813217 has 16 divisors (see below), whose sum is σ = 737409434112. Its totient is φ = 694399970880.

The previous prime is 715845813211. The next prime is 715845813229. The reversal of 715845813217 is 712318548517.

It is a cyclic number.

It is not a de Polignac number, because 715845813217 - 2¹⁵ = 715845780449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715845813211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72004467 + ... + 72014407.

It is an arithmetic number, because the mean of its divisors is an integer number (46088089632).

Almost surely, 2^715845813217 is an apocalyptic number.

It is an amenable number.

715845813217 is a deficient number, since it is larger than the sum of its proper divisors (21563620895).

715845813217 is a wasteful number, since it uses less digits than its factorization.

715845813217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648.

The product of its digits is 1881600, while the sum is 52.

The spelling of 715845813217 in words is "seven hundred fifteen billion, eight hundred forty-five million, eight hundred thirteen thousand, two hundred seventeen".