18799925487476 has 18 divisors (see below), whose sum is σ = 38271276885618. Its totient is φ = 8057110923120.

The previous prime is 18799925487439. The next prime is 18799925487487. The reversal of 18799925487476 is 67478452999781.

It can be written as a sum of positive squares in only one way, i.e., 16971318379876 + 1828607107600 = 4119626^2 + 1352260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47958993395 + ... + 47958993786.

It is an arithmetic number, because the mean of its divisors is an integer number (2126182049201).

Almost surely, 2^{18799925487476} is an apocalyptic number.

It is an amenable number.

18799925487476 is an abundant number, since it is smaller than the sum of its proper divisors (19471351398142).

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

18799925487476 is a wasteful number, since it uses less digits than its factorization.

18799925487476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95917987199 (or 95917987190 counting only the distinct ones).

The product of its digits is 15362887680, while the sum is 86.

The spelling of 18799925487476 in words is "eighteen trillion, seven hundred ninety-nine billion, nine hundred twenty-five million, four hundred eighty-seven thousand, four hundred seventy-six".