22769684779 has 8 divisors (see below), whose sum is σ = 23305475072. Its totient is φ = 22234179240.

The previous prime is 22769684761. The next prime is 22769684783. The reversal of 22769684779 is 97748696722.

It is a happy number.

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 22769684779 - 2¹⁵ = 22769652011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22769685779) 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, 95134 + ... + 233644.

It is an arithmetic number, because the mean of its divisors is an integer number (2913184384).

Almost surely, 2^22769684779 is an apocalyptic number.

22769684779 is a deficient number, since it is larger than the sum of its proper divisors (535790293).

22769684779 is a wasteful number, since it uses less digits than its factorization.

22769684779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142377.

The product of its digits is 128024064, while the sum is 67.

The spelling of 22769684779 in words is "twenty-two billion, seven hundred sixty-nine million, six hundred eighty-four thousand, seven hundred seventy-nine".