2806378564 has 24 divisors (see below), whose sum is σ = 5672788128. Its totient is φ = 1200589440.

The previous prime is 2806378501. The next prime is 2806378573. The reversal of 2806378564 is 4658736082.

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, 1875174 + ... + 1876669.

It is an arithmetic number, because the mean of its divisors is an integer number (236366172).

Almost surely, 2^2806378564 is an apocalyptic number.

It is an amenable number.

2806378564 is an abundant number, since it is smaller than the sum of its proper divisors (2866409564).

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

2806378564 is a wasteful number, since it uses less digits than its factorization.

2806378564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751875 (or 3751873 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 2806378564 is about 52975.2636992021. The cubic root of 2806378564 is about 1410.5292120073.

The spelling of 2806378564 in words is "two billion, eight hundred six million, three hundred seventy-eight thousand, five hundred sixty-four".