15872842992 has 80 divisors (see below), whose sum is σ = 42037121952. Its totient is φ = 5157949440.

The previous prime is 15872842987. The next prime is 15872843011. The reversal of 15872842992 is 29924827851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3691788 + ... + 3696084.

Almost surely, 2^15872842992 is an apocalyptic number.

15872842992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15872842992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21018560976).

15872842992 is an abundant number, since it is smaller than the sum of its proper divisors (26164278960).

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

15872842992 is a wasteful number, since it uses less digits than its factorization.

15872842992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226 (or 6220 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 15872842992 in words is "fifteen billion, eight hundred seventy-two million, eight hundred forty-two thousand, nine hundred ninety-two".