2378871844 has 24 divisors (see below), whose sum is σ = 4218878048. Its totient is φ = 1173553920.

The previous prime is 2378871823. The next prime is 2378871851. The reversal of 2378871844 is 4481788732.

It is a junction number, because it is equal to n+sod(n) for n = 2378871791 and 2378871800.

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, 119167 + ... + 137689.

Almost surely, 2^2378871844 is an apocalyptic number.

It is an amenable number.

2378871844 is a deficient number, since it is larger than the sum of its proper divisors (1840006204).

2378871844 is a wasteful number, since it uses less digits than its factorization.

2378871844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18955 (or 18953 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 52.

The square root of 2378871844 is about 48773.6798283664. The cubic root of 2378871844 is about 1334.9254577371.

The spelling of 2378871844 in words is "two billion, three hundred seventy-eight million, eight hundred seventy-one thousand, eight hundred forty-four".