850957843968 has 80 divisors (see below), whose sum is σ = 2518894353360. Its totient is φ = 283652610048.

The previous prime is 850957843951. The next prime is 850957843979. The reversal of 850957843968 is 869348759058.

850957843968 is a `hidden beast` number, since 8 + 5 + 0 + 9 + 578 + 43 + 9 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 850957843896 and 850957843905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30764455 + ... + 30792102.

It is an arithmetic number, because the mean of its divisors is an integer number (31486179417).

Almost surely, 2^850957843968 is an apocalyptic number.

It is an amenable number.

850957843968 is an abundant number, since it is smaller than the sum of its proper divisors (1667936509392).

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

850957843968 is an equidigital number, since it uses as much as digits as its factorization.

850957843968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61556584 (or 61556562 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 850957843968 in words is "eight hundred fifty billion, nine hundred fifty-seven million, eight hundred forty-three thousand, nine hundred sixty-eight".