2838873311872 has 128 divisors (see below), whose sum is σ = 6403928403600. Its totient is φ = 1244328099840.

The previous prime is 2838873311839. The next prime is 2838873311881. The reversal of 2838873311872 is 2781133788382.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 942244416 + 2837931067456 = 30696^2 + 1684616^2 .

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

It is a super-2 number, since 2×2838873311872² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a self number, because there is not a number n which added to its sum of digits gives 2838873311872.

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, 2461408 + ... + 3425824.

Almost surely, 2^{2838873311872} 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 2838873311872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201964201800).

2838873311872 is an abundant number, since it is smaller than the sum of its proper divisors (3565055091728).

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

2838873311872 is a wasteful number, since it uses less digits than its factorization.

2838873311872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964534 (or 964522 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 61.

The spelling of 2838873311872 in words is "two trillion, eight hundred thirty-eight billion, eight hundred seventy-three million, three hundred eleven thousand, eight hundred seventy-two".