2889500100872 has 128 divisors (see below), whose sum is σ = 6776853431040. Its totient is φ = 1122086753280.

The previous prime is 2889500100871. The next prime is 2889500100881. The reversal of 2889500100872 is 2780010059882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2889500100872.

It is not an unprimeable number, because it can be changed into a prime (2889500100871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569132798 + ... + 569137874.

It is an arithmetic number, because the mean of its divisors is an integer number (52944167430).

Almost surely, 2^{2889500100872} is an apocalyptic number.

2889500100872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2889500100872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3388426715520).

2889500100872 is an abundant number, since it is smaller than the sum of its proper divisors (3887353330168).

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

2889500100872 is a wasteful number, since it uses less digits than its factorization.

2889500100872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7951 (or 7947 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 2889500100872 in words is "two trillion, eight hundred eighty-nine billion, five hundred million, one hundred thousand, eight hundred seventy-two".