1878821160 has 64 divisors (see below), whose sum is σ = 5666042880. Its totient is φ = 498389760.

The previous prime is 1878821149. The next prime is 1878821177. The reversal of 1878821160 is 611288781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18067 + ... + 63906.

It is an arithmetic number, because the mean of its divisors is an integer number (88531920).

Almost surely, 2^1878821160 is an apocalyptic number.

1878821160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1878821160 is an abundant number, since it is smaller than the sum of its proper divisors (3787221720).

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

1878821160 is a wasteful number, since it uses less digits than its factorization.

1878821160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82178 (or 82174 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 42.

The square root of 1878821160 is about 43345.3706870757. The cubic root of 1878821160 is about 1233.9431390696.

The spelling of 1878821160 in words is "one billion, eight hundred seventy-eight million, eight hundred twenty-one thousand, one hundred sixty".