2881252788 has 12 divisors (see below), whose sum is σ = 6722923200. Its totient is φ = 960417592.

The previous prime is 2881252771. The next prime is 2881252817. The reversal of 2881252788 is 8872521882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2881252788.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120052188 + ... + 120052211.

It is an arithmetic number, because the mean of its divisors is an integer number (560243600).

Almost surely, 2^2881252788 is an apocalyptic number.

It is an amenable number.

2881252788 is an abundant number, since it is smaller than the sum of its proper divisors (3841670412).

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

2881252788 is a wasteful number, since it uses less digits than its factorization.

2881252788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240104406 (or 240104404 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 51.

The square root of 2881252788 is about 53677.3023539745. The cubic root of 2881252788 is about 1422.9635897260.

The spelling of 2881252788 in words is "two billion, eight hundred eighty-one million, two hundred fifty-two thousand, seven hundred eighty-eight".