2885764889 has 12 divisors (see below), whose sum is σ = 3358232064. Its totient is φ = 2472538824.

The previous prime is 2885764883. The next prime is 2885764927. The reversal of 2885764889 is 9884675882.

It is not a de Polignac number, because 2885764889 - 2⁸ = 2885764633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2885764883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132104 + ... + 152390.

It is an arithmetic number, because the mean of its divisors is an integer number (279852672).

Almost surely, 2^2885764889 is an apocalyptic number.

It is an amenable number.

2885764889 is a deficient number, since it is larger than the sum of its proper divisors (472467175).

2885764889 is a wasteful number, since it uses less digits than its factorization.

2885764889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204 (or 23197 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 65.

The square root of 2885764889 is about 53719.3157905050. The cubic root of 2885764889 is about 1423.7059990466.

The spelling of 2885764889 in words is "two billion, eight hundred eighty-five million, seven hundred sixty-four thousand, eight hundred eighty-nine".