851488371 has 6 divisors (see below), whose sum is σ = 1229927660. Its totient is φ = 567658908.

The previous prime is 851488361. The next prime is 851488373. The reversal of 851488371 is 173884158.

It is a happy number.

851488371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 851488371 - 2⁷ = 851488243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851488373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47304901 + ... + 47304918.

Almost surely, 2^851488371 is an apocalyptic number.

851488371 is a deficient number, since it is larger than the sum of its proper divisors (378439289).

851488371 is a wasteful number, since it uses less digits than its factorization.

851488371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94609825 (or 94609822 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 851488371 is about 29180.2736621849. The cubic root of 851488371 is about 947.8208114830.

The spelling of 851488371 in words is "eight hundred fifty-one million, four hundred eighty-eight thousand, three hundred seventy-one".