2378670856 has 32 divisors (see below), whose sum is σ = 4679985600. Its totient is φ = 1131254080.

The previous prime is 2378670851. The next prime is 2378670863. The reversal of 2378670856 is 6580768732.

It is not an unprimeable number, because it can be changed into a prime (2378670851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3175 + ... + 69046.

It is an arithmetic number, because the mean of its divisors is an integer number (146249550).

Almost surely, 2^2378670856 is an apocalyptic number.

It is an amenable number.

2378670856 is a deficient number, since it is larger than the sum of its proper divisors (2301314744).

2378670856 is a wasteful number, since it uses less digits than its factorization.

2378670856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72429 (or 72425 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 2378670856 is about 48771.6193702854. The cubic root of 2378670856 is about 1334.8878612667.

The spelling of 2378670856 in words is "two billion, three hundred seventy-eight million, six hundred seventy thousand, eight hundred fifty-six".