851228884 has 12 divisors (see below), whose sum is σ = 1625073408. Its totient is φ = 386922200.

The previous prime is 851228881. The next prime is 851228897. The reversal of 851228884 is 488822158.

It is a super-3 number, since 3×851228884³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851228881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9673012 + ... + 9673099.

It is an arithmetic number, because the mean of its divisors is an integer number (135422784).

Almost surely, 2^851228884 is an apocalyptic number.

It is an amenable number.

851228884 is a deficient number, since it is larger than the sum of its proper divisors (773844524).

851228884 is a wasteful number, since it uses less digits than its factorization.

851228884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19346126 (or 19346124 counting only the distinct ones).

The product of its digits is 327680, while the sum is 46.

The square root of 851228884 is about 29175.8270491172. The cubic root of 851228884 is about 947.7245204178.

The spelling of 851228884 in words is "eight hundred fifty-one million, two hundred twenty-eight thousand, eight hundred eighty-four".