18879271060 has 24 divisors (see below), whose sum is σ = 42696198216. Its totient is φ = 6970807680.

The previous prime is 18879271057. The next prime is 18879271109. The reversal of 18879271060 is 6017297881.

It can be written as a sum of positive squares in 4 ways, for example, as 1218987396 + 17660283664 = 34914^2 + 132892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18879270995 and 18879271013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36306031 + ... + 36306550.

It is an arithmetic number, because the mean of its divisors is an integer number (1779008259).

Almost surely, 2^18879271060 is an apocalyptic number.

18879271060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18879271060 is an abundant number, since it is smaller than the sum of its proper divisors (23816927156).

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

18879271060 is a wasteful number, since it uses less digits than its factorization.

18879271060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72612603 (or 72612601 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 18879271060 in words is "eighteen billion, eight hundred seventy-nine million, two hundred seventy-one thousand, sixty".