23877934398 has 12 divisors (see below), whose sum is σ = 51735524568. Its totient is φ = 7959311460.

The previous prime is 23877934393. The next prime is 23877934453. The reversal of 23877934398 is 89343977832.

23877934398 is a `hidden beast` number, since 238 + 7 + 7 + 9 + 3 + 4 + 398 = 666.

It is a super-2 number, since 2×23877934398² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23877934393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663275938 + ... + 663275973.

It is an arithmetic number, because the mean of its divisors is an integer number (4311293714).

Almost surely, 2^23877934398 is an apocalyptic number.

23877934398 is an abundant number, since it is smaller than the sum of its proper divisors (27857590170).

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

23877934398 is a wasteful number, since it uses less digits than its factorization.

23877934398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326551919 (or 1326551916 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 23877934398 in words is "twenty-three billion, eight hundred seventy-seven million, nine hundred thirty-four thousand, three hundred ninety-eight".