851095872 has 84 divisors (see below), whose sum is σ = 2661306336. Its totient is φ = 257905920.

The previous prime is 851095853. The next prime is 851095873. The reversal of 851095872 is 278590158.

It is a happy number.

It is a super-3 number, since 3×851095872³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851095873) 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 11 ways as a sum of consecutive naturals, for example, 60828 + ... + 73499.

Almost surely, 2^851095872 is an apocalyptic number.

It is an amenable number.

851095872 is an abundant number, since it is smaller than the sum of its proper divisors (1810210464).

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

851095872 is a wasteful number, since it uses less digits than its factorization.

851095872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134356 (or 134343 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 851095872 is about 29173.5474702683. The cubic root of 851095872 is about 947.6751544158.

The spelling of 851095872 in words is "eight hundred fifty-one million, ninety-five thousand, eight hundred seventy-two".