13857843600 has 90 divisors (see below), whose sum is σ = 48090579186. Its totient is φ = 3695424000.

The previous prime is 13857843589. The next prime is 13857843617. The reversal of 13857843600 is 634875831.

13857843600 is a `hidden beast` number, since 1 + 38 + 5 + 7 + 8 + 4 + 3 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 73205136 + 13784638464 = 8556^2 + 117408^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1921101 + ... + 1928300.

Almost surely, 2^13857843600 is an apocalyptic number.

13857843600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13857843600 is an abundant number, since it is smaller than the sum of its proper divisors (34232735586).

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

13857843600 is a wasteful number, since it uses less digits than its factorization.

13857843600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849425 (or 3849411 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 13857843600 in words is "thirteen billion, eight hundred fifty-seven million, eight hundred forty-three thousand, six hundred".