18348780870 has 48 divisors (see below), whose sum is σ = 54522093600. Its totient is φ = 4194006912.

The previous prime is 18348780869. The next prime is 18348780883. The reversal of 18348780870 is 7808784381.

18348780870 is a `hidden beast` number, since 1 + 8 + 3 + 487 + 80 + 87 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14561895 + ... + 14563154.

It is an arithmetic number, because the mean of its divisors is an integer number (1135876950).

Almost surely, 2^18348780870 is an apocalyptic number.

18348780870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18348780870 is an abundant number, since it is smaller than the sum of its proper divisors (36173312730).

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

18348780870 is a wasteful number, since it uses less digits than its factorization.

18348780870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29125069 (or 29125066 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 18348780870 in words is "eighteen billion, three hundred forty-eight million, seven hundred eighty thousand, eight hundred seventy".