685264227 has 8 divisors (see below), whose sum is σ = 915100416. Its totient is φ = 456135432.

The previous prime is 685264199. The next prime is 685264243. The reversal of 685264227 is 722462586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 685264227 - 2²⁸ = 416828771 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (685264247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174583 + ... + 178464.

It is an arithmetic number, because the mean of its divisors is an integer number (114387552).

Almost surely, 2^685264227 is an apocalyptic number.

685264227 is a deficient number, since it is larger than the sum of its proper divisors (229836189).

685264227 is a wasteful number, since it uses less digits than its factorization.

685264227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353697.

The product of its digits is 322560, while the sum is 42.

The square root of 685264227 is about 26177.5519672868. The cubic root of 685264227 is about 881.6293106021.

The spelling of 685264227 in words is "six hundred eighty-five million, two hundred sixty-four thousand, two hundred twenty-seven".