685503627 has 4 divisors (see below), whose sum is σ = 914004840. Its totient is φ = 457002416.

The previous prime is 685503613. The next prime is 685503629. The reversal of 685503627 is 726305586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 685503627 - 2⁷ = 685503499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685503629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114250602 + ... + 114250607.

It is an arithmetic number, because the mean of its divisors is an integer number (228501210).

Almost surely, 2^685503627 is an apocalyptic number.

685503627 is a deficient number, since it is larger than the sum of its proper divisors (228501213).

685503627 is a wasteful number, since it uses less digits than its factorization.

685503627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228501212.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 685503627 is about 26182.1241880792. The cubic root of 685503627 is about 881.7319656437.

The spelling of 685503627 in words is "six hundred eighty-five million, five hundred three thousand, six hundred twenty-seven".