22779513390798 has 24 divisors (see below), whose sum is σ = 49452578206200. Its totient is φ = 7578253305744.

The previous prime is 22779513390791. The next prime is 22779513390833. The reversal of 22779513390798 is 89709331597722.

22779513390798 is a `hidden beast` number, since 2 + 2 + 7 + 7 + 9 + 513 + 39 + 0 + 79 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22779513390791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1243142628 + ... + 1243160951.

It is an arithmetic number, because the mean of its divisors is an integer number (2060524091925).

Almost surely, 2^{22779513390798} is an apocalyptic number.

22779513390798 is an abundant number, since it is smaller than the sum of its proper divisors (26673064815402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22779513390798 is a wasteful number, since it uses less digits than its factorization.

22779513390798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486304096 (or 2486304093 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 72.

The spelling of 22779513390798 in words is "twenty-two trillion, seven hundred seventy-nine billion, five hundred thirteen million, three hundred ninety thousand, seven hundred ninety-eight".