15928789880 has 48 divisors (see below), whose sum is σ = 38072040120. Its totient is φ = 5996716544.

The previous prime is 15928789879. The next prime is 15928789889. The reversal of 15928789880 is 8898782951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15928789889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677402 + ... + 700521.

Almost surely, 2^15928789880 is an apocalyptic number.

15928789880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15928789880 is an abundant number, since it is smaller than the sum of its proper divisors (22143250240).

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

15928789880 is a wasteful number, since it uses less digits than its factorization.

15928789880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377968 (or 1377947 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 65.

The spelling of 15928789880 in words is "fifteen billion, nine hundred twenty-eight million, seven hundred eighty-nine thousand, eight hundred eighty".