13877975925 has 144 divisors (see below), whose sum is σ = 28812888000. Its totient is φ = 6310656000.

The previous prime is 13877975921. The next prime is 13877975939. The reversal of 13877975925 is 52957977831.

13877975925 is a `hidden beast` number, since 1 + 38 + 7 + 7 + 9 + 7 + 592 + 5 = 666.

It is not a de Polignac number, because 13877975925 - 2² = 13877975921 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13877975921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20995095 + ... + 20995755.

It is an arithmetic number, because the mean of its divisors is an integer number (200089500).

Almost surely, 2^13877975925 is an apocalyptic number.

13877975925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13877975925 is an abundant number, since it is smaller than the sum of its proper divisors (14934912075).

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

13877975925 is a wasteful number, since it uses less digits than its factorization.

13877975925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1196 counting only the distinct ones).

The product of its digits is 33339600, while the sum is 63.

The spelling of 13877975925 in words is "thirteen billion, eight hundred seventy-seven million, nine hundred seventy-five thousand, nine hundred twenty-five".