18713276860 has 48 divisors (see below), whose sum is σ = 40054837536. Its totient is φ = 7342497792.

The previous prime is 18713276831. The next prime is 18713276873. The reversal of 18713276860 is 6867231781.

It is a happy number.

It is a super-2 number, since 2×18713276860² (a number of 21 digits) contains 22 as substring.

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, 176539 + ... + 261901.

It is an arithmetic number, because the mean of its divisors is an integer number (834475782).

Almost surely, 2^18713276860 is an apocalyptic number.

18713276860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18713276860 is an abundant number, since it is smaller than the sum of its proper divisors (21341560676).

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

18713276860 is a wasteful number, since it uses less digits than its factorization.

18713276860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85582 (or 85580 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 18713276860 in words is "eighteen billion, seven hundred thirteen million, two hundred seventy-six thousand, eight hundred sixty".