874868868 has 72 divisors (see below), whose sum is σ = 2310661080. Its totient is φ = 278745600.

The previous prime is 874868849. The next prime is 874868873. The reversal of 874868868 is 868868478.

It can be written as a sum of positive squares in 4 ways, for example, as 655769664 + 219099204 = 25608^2 + 14802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101296 + ... + 109592.

It is an arithmetic number, because the mean of its divisors is an integer number (32092515).

Almost surely, 2^874868868 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 874868868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155330540).

874868868 is an abundant number, since it is smaller than the sum of its proper divisors (1435792212).

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

874868868 is a wasteful number, since it uses less digits than its factorization.

874868868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437 (or 8432 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The square root of 874868868 is about 29578.1822970919. The cubic root of 874868868 is about 956.4178087150.

The spelling of 874868868 in words is "eight hundred seventy-four million, eight hundred sixty-eight thousand, eight hundred sixty-eight".