15872880 has 40 divisors (see below), whose sum is σ = 49206672. Its totient is φ = 4232704.

The previous prime is 15872873. The next prime is 15872893. The reversal of 15872880 is 8827851.

15872880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 32829 + ... + 33308.

Almost surely, 2^15872880 is an apocalyptic number.

15872880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15872880 is an abundant number, since it is smaller than the sum of its proper divisors (33333792).

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

15872880 is a wasteful number, since it uses less digits than its factorization.

15872880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66153 (or 66147 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 15872880 is about 3984.0783124833. The cubic root of 15872880 is about 251.3150966199.

The spelling of 15872880 in words is "fifteen million, eight hundred seventy-two thousand, eight hundred eighty".