2851125888 has 128 divisors (see below), whose sum is σ = 8180726400. Its totient is φ = 874598400.

The previous prime is 2851125863. The next prime is 2851125899. The reversal of 2851125888 is 8885211582.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2190838 + ... + 2192138.

It is an arithmetic number, because the mean of its divisors is an integer number (63911925).

Almost surely, 2^2851125888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2851125888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4090363200).

2851125888 is an abundant number, since it is smaller than the sum of its proper divisors (5329600512).

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

2851125888 is a wasteful number, since it uses less digits than its factorization.

2851125888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1758 counting only the distinct ones).

The product of its digits is 409600, while the sum is 48.

The square root of 2851125888 is about 53395.9351261873. The cubic root of 2851125888 is about 1417.9866143137.

The spelling of 2851125888 in words is "two billion, eight hundred fifty-one million, one hundred twenty-five thousand, eight hundred eighty-eight".