868307417657753 has 4 divisors (see below), whose sum is σ = 868307846973540. Its totient is φ = 868306988341968.

The previous prime is 868307417657621. The next prime is 868307417657759. The reversal of 868307417657753 is 357756714703868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 382083176114704 + 486224241543049 = 19546948^2 + 22050493^2 .

It is a cyclic number.

It is not a de Polignac number, because 868307417657753 - 2¹⁰ = 868307417656729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868307417657759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211609658 + ... + 215673971.

It is an arithmetic number, because the mean of its divisors is an integer number (217076961743385).

Almost surely, 2^{868307417657753} is an apocalyptic number.

It is an amenable number.

868307417657753 is a deficient number, since it is larger than the sum of its proper divisors (429315787).

868307417657753 is a wasteful number, since it uses less digits than its factorization.

868307417657753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429315786.

The product of its (nonzero) digits is 4978713600, while the sum is 77.

The spelling of 868307417657753 in words is "eight hundred sixty-eight trillion, three hundred seven billion, four hundred seventeen million, six hundred fifty-seven thousand, seven hundred fifty-three".