850978361774464 has 96 divisors (see below), whose sum is σ = 2151374737255560. Its totient is φ = 331550011054080.

The previous prime is 850978361774461. The next prime is 850978361774473. The reversal of 850978361774464 is 464477163879058.

850978361774464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850978361774461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6167155917 + ... + 6167293900.

Almost surely, 2^{850978361774464} is an apocalyptic number.

It is an amenable number.

850978361774464 is an abundant number, since it is smaller than the sum of its proper divisors (1300396375481096).

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

850978361774464 is a wasteful number, since it uses less digits than its factorization.

850978361774464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12334449856 (or 12334449837 counting only the distinct ones).

The product of its (nonzero) digits is 6827950080, while the sum is 79.

The spelling of 850978361774464 in words is "eight hundred fifty trillion, nine hundred seventy-eight billion, three hundred sixty-one million, seven hundred seventy-four thousand, four hundred sixty-four".