13877557275252 has 96 divisors (see below), whose sum is σ = 35752396377600. Its totient is φ = 4154409086080.

The previous prime is 13877557275247. The next prime is 13877557275259. The reversal of 13877557275252 is 25257275577831.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13877557275259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285916378 + ... + 285964910.

It is an arithmetic number, because the mean of its divisors is an integer number (372420795600).

Almost surely, 2^{13877557275252} is an apocalyptic number.

13877557275252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13877557275252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17876198188800).

13877557275252 is an abundant number, since it is smaller than the sum of its proper divisors (21874839102348).

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

13877557275252 is a wasteful number, since it uses less digits than its factorization.

13877557275252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74733 (or 74731 counting only the distinct ones).

The product of its digits is 288120000, while the sum is 66.

The spelling of 13877557275252 in words is "thirteen trillion, eight hundred seventy-seven billion, five hundred fifty-seven million, two hundred seventy-five thousand, two hundred fifty-two".