2889778730112 has 128 divisors (see below), whose sum is σ = 8569284139200. Its totient is φ = 958694123520.

The previous prime is 2889778730107. The next prime is 2889778730123. The reversal of 2889778730112 is 2110378779882.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2889778730112² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2889778730112.

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, 1252213 + ... + 2710644.

Almost surely, 2^{2889778730112} is an apocalyptic number.

It is an amenable number.

2889778730112 is an abundant number, since it is smaller than the sum of its proper divisors (5679505409088).

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

2889778730112 is a wasteful number, since it uses less digits than its factorization.

2889778730112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963091 (or 3963073 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 63.

The spelling of 2889778730112 in words is "two trillion, eight hundred eighty-nine billion, seven hundred seventy-eight million, seven hundred thirty thousand, one hundred twelve".