850865909475372 has 48 divisors (see below), whose sum is σ = 2268977185504512. Its totient is φ = 243104392681920.

The previous prime is 850865909475371. The next prime is 850865909475443. The reversal of 850865909475372 is 273574909568058.

It is not an unprimeable number, because it can be changed into a prime (850865909475371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255533922 + ... + 258842262.

It is an arithmetic number, because the mean of its divisors is an integer number (47270358031344).

Almost surely, 2^{850865909475372} is an apocalyptic number.

It is an amenable number.

850865909475372 is an abundant number, since it is smaller than the sum of its proper divisors (1418111276029140).

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

850865909475372 is a wasteful number, since it uses less digits than its factorization.

850865909475372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370118 (or 6370116 counting only the distinct ones).

The product of its (nonzero) digits is 4572288000, while the sum is 78.

The spelling of 850865909475372 in words is "eight hundred fifty trillion, eight hundred sixty-five billion, nine hundred nine million, four hundred seventy-five thousand, three hundred seventy-two".