851377768 has 16 divisors (see below), whose sum is σ = 1596800160. Its totient is φ = 425564400.

The previous prime is 851377763. The next prime is 851377781. The reversal of 851377768 is 867773158.

It is not an unprimeable number, because it can be changed into a prime (851377763) by changing a digit.

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, 17683 + ... + 44893.

It is an arithmetic number, because the mean of its divisors is an integer number (99800010).

Almost surely, 2^851377768 is an apocalyptic number.

It is an amenable number.

851377768 is a deficient number, since it is larger than the sum of its proper divisors (745422392).

851377768 is a wasteful number, since it uses less digits than its factorization.

851377768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31128 (or 31124 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 52.

The square root of 851377768 is about 29178.3784333537. The cubic root of 851377768 is about 947.7797710460.

The spelling of 851377768 in words is "eight hundred fifty-one million, three hundred seventy-seven thousand, seven hundred sixty-eight".