23388876778 has 16 divisors (see below), whose sum is σ = 36680636160. Its totient is φ = 11163996976.

The previous prime is 23388876713. The next prime is 23388876787. The reversal of 23388876778 is 87767888332.

It is a super-2 number, since 2×23388876778² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476050 + ... + 522877.

It is an arithmetic number, because the mean of its divisors is an integer number (2292539760).

Almost surely, 2^23388876778 is an apocalyptic number.

23388876778 is a deficient number, since it is larger than the sum of its proper divisors (13291759382).

23388876778 is a wasteful number, since it uses less digits than its factorization.

23388876778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999461.

The product of its digits is 151732224, while the sum is 67.

The spelling of 23388876778 in words is "twenty-three billion, three hundred eighty-eight million, eight hundred seventy-six thousand, seven hundred seventy-eight".