23778255804579 has 24 divisors (see below), whose sum is σ = 34618294900800. Its totient is φ = 15727159647360.

The previous prime is 23778255804551. The next prime is 23778255804587. The reversal of 23778255804579 is 97540855287732.

It is a happy number.

23778255804579 is a `hidden beast` number, since 2 + 3 + 7 + 78 + 25 + 5 + 80 + 457 + 9 = 666.

It is not a de Polignac number, because 23778255804579 - 2¹³ = 23778255796387 is a prime.

It is a super-3 number, since 3×23778255804579³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23778255804179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19968802 + ... + 21126039.

It is an arithmetic number, because the mean of its divisors is an integer number (1442428954200).

Almost surely, 2^{23778255804579} is an apocalyptic number.

23778255804579 is a deficient number, since it is larger than the sum of its proper divisors (10840039096221).

23778255804579 is a wasteful number, since it uses less digits than its factorization.

23778255804579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41095355 (or 41095352 counting only the distinct ones).

The product of its (nonzero) digits is 1185408000, while the sum is 72.

The spelling of 23778255804579 in words is "twenty-three trillion, seven hundred seventy-eight billion, two hundred fifty-five million, eight hundred four thousand, five hundred seventy-nine".