2800923378 has 32 divisors (see below), whose sum is σ = 6168234240. Its totient is φ = 840830160.

The previous prime is 2800923329. The next prime is 2800923407. The reversal of 2800923378 is 8733290082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191248 + ... + 205371.

It is an arithmetic number, because the mean of its divisors is an integer number (192757320).

Almost surely, 2^2800923378 is an apocalyptic number.

2800923378 is an abundant number, since it is smaller than the sum of its proper divisors (3367310862).

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

2800923378 is a wasteful number, since it uses less digits than its factorization.

2800923378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396742.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2800923378 is about 52923.7506040530. The cubic root of 2800923378 is about 1409.6146655896.

The spelling of 2800923378 in words is "two billion, eight hundred million, nine hundred twenty-three thousand, three hundred seventy-eight".