851960814 has 32 divisors (see below), whose sum is σ = 1815677856. Its totient is φ = 265574400.

The previous prime is 851960803. The next prime is 851960827. The reversal of 851960814 is 418069158.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 10587 + ... + 42614.

It is an arithmetic number, because the mean of its divisors is an integer number (56739933).

Almost surely, 2^851960814 is an apocalyptic number.

851960814 is an abundant number, since it is smaller than the sum of its proper divisors (963717042).

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

851960814 is a wasteful number, since it uses less digits than its factorization.

851960814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53380.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 851960814 is about 29188.3677858150. The cubic root of 851960814 is about 947.9960765562.

The spelling of 851960814 in words is "eight hundred fifty-one million, nine hundred sixty thousand, eight hundred fourteen".