851357272 has 16 divisors (see below), whose sum is σ = 1639438560. Its totient is φ = 414173664.

The previous prime is 851357261. The next prime is 851357291. The reversal of 851357272 is 272753158.

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 3 ways as a sum of consecutive naturals, for example, 1437808 + ... + 1438399.

It is an arithmetic number, because the mean of its divisors is an integer number (102464910).

Almost surely, 2^851357272 is an apocalyptic number.

It is an amenable number.

851357272 is a deficient number, since it is larger than the sum of its proper divisors (788081288).

851357272 is a wasteful number, since it uses less digits than its factorization.

851357272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876250 (or 2876246 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 851357272 is about 29178.0272122705. The cubic root of 851357272 is about 947.7721653936.

The spelling of 851357272 in words is "eight hundred fifty-one million, three hundred fifty-seven thousand, two hundred seventy-two".