851375118 has 48 divisors (see below), whose sum is σ = 1875076560. Its totient is φ = 257516160.

The previous prime is 851375101. The next prime is 851375137. The reversal of 851375118 is 811573158.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775546 + ... + 776642.

It is an arithmetic number, because the mean of its divisors is an integer number (39064095).

Almost surely, 2^851375118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 851375118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937538280).

851375118 is an abundant number, since it is smaller than the sum of its proper divisors (1023701442).

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

851375118 is a wasteful number, since it uses less digits than its factorization.

851375118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2182 counting only the distinct ones).

The product of its digits is 33600, while the sum is 39.

The square root of 851375118 is about 29178.3330229813. Note that the first 3 decimals coincide. The cubic root of 851375118 is about 947.7787876913.

The spelling of 851375118 in words is "eight hundred fifty-one million, three hundred seventy-five thousand, one hundred eighteen".