851072860426 has 8 divisors (see below), whose sum is σ = 1285793530560. Its totient is φ = 422475016908.

The previous prime is 851072860403. The next prime is 851072860439. The reversal of 851072860426 is 624068270158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 851072860426.

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, 1530706306 + ... + 1530706861.

It is an arithmetic number, because the mean of its divisors is an integer number (160724191320).

Almost surely, 2^851072860426 is an apocalyptic number.

851072860426 is a deficient number, since it is larger than the sum of its proper divisors (434720670134).

851072860426 is a wasteful number, since it uses less digits than its factorization.

851072860426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061413308.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 851072860426 in words is "eight hundred fifty-one billion, seventy-two million, eight hundred sixty thousand, four hundred twenty-six".