72863814456717 has 8 divisors (see below), whose sum is σ = 99218811175296. Its totient is φ = 47542347021312.

The previous prime is 72863814456709. The next prime is 72863814456739. The reversal of 72863814456717 is 71765441836827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72863814456717 - 2³ = 72863814456709 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72863814456617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258382320628 + ... + 258382320909.

It is an arithmetic number, because the mean of its divisors is an integer number (12402351396912).

Almost surely, 2^{72863814456717} is an apocalyptic number.

It is an amenable number.

72863814456717 is a deficient number, since it is larger than the sum of its proper divisors (26354996718579).

72863814456717 is a wasteful number, since it uses less digits than its factorization.

72863814456717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516764641587.

The product of its digits is 379330560, while the sum is 69.

The spelling of 72863814456717 in words is "seventy-two trillion, eight hundred sixty-three billion, eight hundred fourteen million, four hundred fifty-six thousand, seven hundred seventeen".