18472837872 has 40 divisors (see below), whose sum is σ = 49796348544. Its totient is φ = 5889889984.

The previous prime is 18472837871. The next prime is 18472837879. The reversal of 18472837872 is 27873827481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18472837871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8365218 + ... + 8367425.

Almost surely, 2^18472837872 is an apocalyptic number.

18472837872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18472837872 is an abundant number, since it is smaller than the sum of its proper divisors (31323510672).

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

18472837872 is a wasteful number, since it uses less digits than its factorization.

18472837872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16732677 (or 16732671 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 57.

The spelling of 18472837872 in words is "eighteen billion, four hundred seventy-two million, eight hundred thirty-seven thousand, eight hundred seventy-two".