23878779 has 16 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 15513056.

The previous prime is 23878759. The next prime is 23878783. The reversal of 23878779 is 97787832.

It is a cyclic number.

It is not a de Polignac number, because 23878779 - 2⁵ = 23878747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23878759) 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, 28042 + ... + 28880.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^23878779 is an apocalyptic number.

23878779 is a deficient number, since it is larger than the sum of its proper divisors (8780421).

23878779 is a wasteful number, since it uses less digits than its factorization.

23878779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074.

The product of its digits is 1185408, while the sum is 51.

The square root of 23878779 is about 4886.5917570429. The cubic root of 23878779 is about 287.9634526347.

The spelling of 23878779 in words is "twenty-three million, eight hundred seventy-eight thousand, seven hundred seventy-nine".