22759779647 has 16 divisors (see below), whose sum is σ = 25122700800. Its totient is φ = 20446789440.

The previous prime is 22759779613. The next prime is 22759779649. The reversal of 22759779647 is 74697795722.

It is not a de Polignac number, because 22759779647 - 2⁶ = 22759779583 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 (22759779649) 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, 457754 + ... + 505032.

It is an arithmetic number, because the mean of its divisors is an integer number (1570168800).

Almost surely, 2^22759779647 is an apocalyptic number.

22759779647 is a deficient number, since it is larger than the sum of its proper divisors (2362921153).

22759779647 is a wasteful number, since it uses less digits than its factorization.

22759779647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47806.

The product of its digits is 93350880, while the sum is 65.

The spelling of 22759779647 in words is "twenty-two billion, seven hundred fifty-nine million, seven hundred seventy-nine thousand, six hundred forty-seven".