2889031787880 has 64 divisors (see below), whose sum is σ = 9905251847040. Its totient is φ = 660350122752.

The previous prime is 2889031787857. The next prime is 2889031787921. The reversal of 2889031787880 is 887871309882.

It is a super-2 number, since 2×2889031787880² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719660939 + ... + 1719662618.

It is an arithmetic number, because the mean of its divisors is an integer number (154769560110).

Almost surely, 2^{2889031787880} is an apocalyptic number.

2889031787880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2889031787880 is an abundant number, since it is smaller than the sum of its proper divisors (7016220059160).

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

2889031787880 is a wasteful number, since it uses less digits than its factorization.

2889031787880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439323578 (or 3439323574 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 69.

The spelling of 2889031787880 in words is "two trillion, eight hundred eighty-nine billion, thirty-one million, seven hundred eighty-seven thousand, eight hundred eighty".