851263196 has 12 divisors (see below), whose sum is σ = 1702526448. Its totient is φ = 364827072.

The previous prime is 851263169. The next prime is 851263223. The reversal of 851263196 is 691362158.

It is an interprime number because it is at equal distance from previous prime (851263169) and next prime (851263223).

851263196 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15201101 + ... + 15201156.

It is an arithmetic number, because the mean of its divisors is an integer number (141877204).

Almost surely, 2^851263196 is an apocalyptic number.

It is an amenable number.

851263196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

851263196 is a wasteful number, since it uses less digits than its factorization.

851263196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30402268 (or 30402266 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 851263196 is about 29176.4150642261. The cubic root of 851263196 is about 947.7372541206.

The spelling of 851263196 in words is "eight hundred fifty-one million, two hundred sixty-three thousand, one hundred ninety-six".