18374482878 has 16 divisors (see below), whose sum is σ = 38910669840. Its totient is φ = 5764543616.

The previous prime is 18374482877. The next prime is 18374482897. The reversal of 18374482878 is 87828447381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18374482877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90070893 + ... + 90071096.

It is an arithmetic number, because the mean of its divisors is an integer number (2431916865).

Almost surely, 2^18374482878 is an apocalyptic number.

18374482878 is an abundant number, since it is smaller than the sum of its proper divisors (20536186962).

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

18374482878 is a wasteful number, since it uses less digits than its factorization.

18374482878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180142011.

The product of its digits is 19267584, while the sum is 60.

The spelling of 18374482878 in words is "eighteen billion, three hundred seventy-four million, four hundred eighty-two thousand, eight hundred seventy-eight".