851466812 has 24 divisors (see below), whose sum is σ = 1710255456. Its totient is φ = 363345408.

The previous prime is 851466809. The next prime is 851466823. The reversal of 851466812 is 218664158.

It is a self number, because there is not a number n which added to its sum of digits gives 851466812.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58733 + ... + 71780.

It is an arithmetic number, because the mean of its divisors is an integer number (71260644).

Almost surely, 2^851466812 is an apocalyptic number.

It is an amenable number.

851466812 is an abundant number, since it is smaller than the sum of its proper divisors (858788644).

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

851466812 is a wasteful number, since it uses less digits than its factorization.

851466812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130757 (or 130755 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 851466812 is about 29179.9042493289. The cubic root of 851466812 is about 947.8128120622.

The spelling of 851466812 in words is "eight hundred fifty-one million, four hundred sixty-six thousand, eight hundred twelve".