2812823887 has 16 divisors (see below), whose sum is σ = 2931225088. Its totient is φ = 2697014880.

The previous prime is 2812823863. The next prime is 2812823903. The reversal of 2812823887 is 7883282182.

2812823887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2812823887 - 2⁷ = 2812823759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2812823887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812823687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2158078 + ... + 2159380.

It is an arithmetic number, because the mean of its divisors is an integer number (183201568).

Almost surely, 2^2812823887 is an apocalyptic number.

2812823887 is a deficient number, since it is larger than the sum of its proper divisors (118401201).

2812823887 is a wasteful number, since it uses less digits than its factorization.

2812823887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 688128, while the sum is 49.

The square root of 2812823887 is about 53036.0621370026. The cubic root of 2812823887 is about 1411.6082260126.

The spelling of 2812823887 in words is "two billion, eight hundred twelve million, eight hundred twenty-three thousand, eight hundred eighty-seven".