2872863144 has 48 divisors (see below), whose sum is σ = 7797566400. Its totient is φ = 955541664.

The previous prime is 2872863121. The next prime is 2872863157. The reversal of 2872863144 is 4413682782.

It is a happy number.

2872863144 is a `hidden beast` number, since 2 + 8 + 7 + 2 + 8 + 631 + 4 + 4 = 666.

2872863144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2872863144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9754 + ... + 76425.

It is an arithmetic number, because the mean of its divisors is an integer number (162449300).

Almost surely, 2^2872863144 is an apocalyptic number.

2872863144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2872863144 is an abundant number, since it is smaller than the sum of its proper divisors (4924703256).

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

2872863144 is a wasteful number, since it uses less digits than its factorization.

2872863144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86654 (or 86647 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 2872863144 is about 53599.0964849222. The cubic root of 2872863144 is about 1421.5811165687.

The spelling of 2872863144 in words is "two billion, eight hundred seventy-two million, eight hundred sixty-three thousand, one hundred forty-four".