15753980868 has 12 divisors (see below), whose sum is σ = 36759288720. Its totient is φ = 5251326952.

The previous prime is 15753980863. The next prime is 15753980887. The reversal of 15753980868 is 86808935751.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (15753980863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656415858 + ... + 656415881.

It is an arithmetic number, because the mean of its divisors is an integer number (3063274060).

Almost surely, 2^15753980868 is an apocalyptic number.

It is an amenable number.

15753980868 is an abundant number, since it is smaller than the sum of its proper divisors (21005307852).

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

15753980868 is a wasteful number, since it uses less digits than its factorization.

15753980868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312831746 (or 1312831744 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 15753980868 in words is "fifteen billion, seven hundred fifty-three million, nine hundred eighty thousand, eight hundred sixty-eight".