850854291 has 16 divisors (see below), whose sum is σ = 1317796608. Its totient is φ = 478231200.

The previous prime is 850854271. The next prime is 850854299. The reversal of 850854291 is 192458058.

It is a happy number.

It is not a de Polignac number, because 850854291 - 2⁶ = 850854227 is a prime.

It is a super-2 number, since 2×850854291² = 1447906049026225362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (850854299) 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, 330825 + ... + 333386.

It is an arithmetic number, because the mean of its divisors is an integer number (82362288).

Almost surely, 2^850854291 is an apocalyptic number.

850854291 is a deficient number, since it is larger than the sum of its proper divisors (466942317).

850854291 is a wasteful number, since it uses less digits than its factorization.

850854291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664282.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 850854291 is about 29169.4067646224. The cubic root of 850854291 is about 947.5854810179.

The spelling of 850854291 in words is "eight hundred fifty million, eight hundred fifty-four thousand, two hundred ninety-one".