13761857988 has 24 divisors (see below), whose sum is σ = 35678891360. Its totient is φ = 4587285960.

The previous prime is 13761857971. The next prime is 13761858013. The reversal of 13761857988 is 88975816731.

13761857988 is a `hidden beast` number, since 1 + 3 + 7 + 618 + 5 + 7 + 9 + 8 + 8 = 666.

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, 63712198 + ... + 63712413.

Almost surely, 2^13761857988 is an apocalyptic number.

13761857988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13761857988 is an abundant number, since it is smaller than the sum of its proper divisors (21917033372).

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

13761857988 is a wasteful number, since it uses less digits than its factorization.

13761857988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127424624 (or 127424616 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The spelling of 13761857988 in words is "thirteen billion, seven hundred sixty-one million, eight hundred fifty-seven thousand, nine hundred eighty-eight".