2799856377 has 12 divisors (see below), whose sum is σ = 4138289584. Its totient is φ = 1823162040.

The previous prime is 2799856349. The next prime is 2799856391. The reversal of 2799856377 is 7736589972.

It is not a de Polignac number, because 2799856377 - 2⁸ = 2799856121 is a prime.

It is a super-2 number, since 2×2799856377² = 15678391463655132258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799856337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3616999 + ... + 3617772.

Almost surely, 2^2799856377 is an apocalyptic number.

It is an amenable number.

2799856377 is a deficient number, since it is larger than the sum of its proper divisors (1338433207).

2799856377 is a wasteful number, since it uses less digits than its factorization.

2799856377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234820 (or 7234817 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The square root of 2799856377 is about 52913.6690941008. The cubic root of 2799856377 is about 1409.4356470917.

The spelling of 2799856377 in words is "two billion, seven hundred ninety-nine million, eight hundred fifty-six thousand, three hundred seventy-seven".