2881260856 has 16 divisors (see below), whose sum is σ = 5403105000. Its totient is φ = 1440432864.

The previous prime is 2881260847. The next prime is 2881260901. The reversal of 2881260856 is 6580621882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50895 + ... + 91393.

Almost surely, 2^2881260856 is an apocalyptic number.

It is an amenable number.

2881260856 is a deficient number, since it is larger than the sum of its proper divisors (2521844144).

2881260856 is a wasteful number, since it uses less digits than its factorization.

2881260856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49398 (or 49394 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 2881260856 is about 53677.3775067300. The cubic root of 2881260856 is about 1422.9649179051.

The spelling of 2881260856 in words is "two billion, eight hundred eighty-one million, two hundred sixty thousand, eight hundred fifty-six".