19876992072 has 64 divisors (see below), whose sum is σ = 56854456320. Its totient is φ = 5672835648.

The previous prime is 19876992061. The next prime is 19876992073. The reversal of 19876992072 is 27029967891.

It is a junction number, because it is equal to n+sod(n) for n = 19876991997 and 19876992015.

It is not an unprimeable number, because it can be changed into a prime (19876992073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87153 + ... + 217599.

It is an arithmetic number, because the mean of its divisors is an integer number (888350880).

Almost surely, 2^19876992072 is an apocalyptic number.

19876992072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19876992072 is an abundant number, since it is smaller than the sum of its proper divisors (36977464248).

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

19876992072 is a wasteful number, since it uses less digits than its factorization.

19876992072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131370 (or 131366 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 60.

The spelling of 19876992072 in words is "nineteen billion, eight hundred seventy-six million, nine hundred ninety-two thousand, seventy-two".