2806780992 has 28 divisors (see below), whose sum is σ = 7426275216. Its totient is φ = 935593600.

The previous prime is 2806780961. The next prime is 2806781041. The reversal of 2806780992 is 2990876082.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7309134 + ... + 7309517.

Almost surely, 2^2806780992 is an apocalyptic number.

It is an amenable number.

2806780992 is an abundant number, since it is smaller than the sum of its proper divisors (4619494224).

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

2806780992 is a wasteful number, since it uses less digits than its factorization.

2806780992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618666 (or 14618656 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 2806780992 is about 52979.0618263480. The cubic root of 2806780992 is about 1410.5966309610.

The spelling of 2806780992 in words is "two billion, eight hundred six million, seven hundred eighty thousand, nine hundred ninety-two".