2856847045 has 32 divisors (see below), whose sum is σ = 3746131200. Its totient is φ = 2078866944.

The previous prime is 2856847039. The next prime is 2856847051. The reversal of 2856847045 is 5407486582.

It is an interprime number because it is at equal distance from previous prime (2856847039) and next prime (2856847051).

It is a cyclic number.

It is not a de Polignac number, because 2856847045 - 2²⁷ = 2722629317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2856847045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2191864 + ... + 2193166.

It is an arithmetic number, because the mean of its divisors is an integer number (117066600).

Almost surely, 2^2856847045 is an apocalyptic number.

It is an amenable number.

2856847045 is a deficient number, since it is larger than the sum of its proper divisors (889284155).

2856847045 is a wasteful number, since it uses less digits than its factorization.

2856847045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The square root of 2856847045 is about 53449.4812416360. The cubic root of 2856847045 is about 1418.9344391524.

The spelling of 2856847045 in words is "two billion, eight hundred fifty-six million, eight hundred forty-seven thousand, forty-five".