712867768217 has 16 divisors (see below), whose sum is σ = 801043012224. Its totient is φ = 628762032000.

The previous prime is 712867768211. The next prime is 712867768219.

712867768217 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 712867768217 - 2¹² = 712867764121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712867768217.

It is not an unprimeable number, because it can be changed into a prime (712867768211) 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, 4284773 + ... + 4448034.

It is an arithmetic number, because the mean of its divisors is an integer number (50065188264).

Almost surely, 2^712867768217 is an apocalyptic number.

It is an amenable number.

712867768217 is a deficient number, since it is larger than the sum of its proper divisors (88175244007).

712867768217 is a wasteful number, since it uses less digits than its factorization.

712867768217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733040.

The product of its digits is 22127616, while the sum is 62.

The spelling of 712867768217 in words is "seven hundred twelve billion, eight hundred sixty-seven million, seven hundred sixty-eight thousand, two hundred seventeen".