9722379522679 has 8 divisors (see below), whose sum is σ = 9749166848960. Its totient is φ = 9695593804896.

The previous prime is 9722379522659. The next prime is 9722379522743. The reversal of 9722379522679 is 9762259732279.

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

It is a cyclic number.

It is not a de Polignac number, because 9722379522679 - 2¹⁷ = 9722379391607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722379522659) 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, 12250717 + ... + 13020169.

It is an arithmetic number, because the mean of its divisors is an integer number (1218645856120).

Almost surely, 2^{9722379522679} is an apocalyptic number.

9722379522679 is a deficient number, since it is larger than the sum of its proper divisors (26787326281).

9722379522679 is a wasteful number, since it uses less digits than its factorization.

9722379522679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804249.

The product of its digits is 360067680, while the sum is 70.

The spelling of 9722379522679 in words is "nine trillion, seven hundred twenty-two billion, three hundred seventy-nine million, five hundred twenty-two thousand, six hundred seventy-nine".