685679283 has 16 divisors (see below), whose sum is σ = 1023580800. Its totient is φ = 453627720.

The previous prime is 685679263. The next prime is 685679311. The reversal of 685679283 is 382976586.

It is a happy number.

It is not a de Polignac number, because 685679283 - 2⁵ = 685679251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685679213) 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, 93393 + ... + 100466.

It is an arithmetic number, because the mean of its divisors is an integer number (63973800).

Almost surely, 2^685679283 is an apocalyptic number.

685679283 is a deficient number, since it is larger than the sum of its proper divisors (337901517).

685679283 is a wasteful number, since it uses less digits than its factorization.

685679283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193999 (or 193993 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 685679283 is about 26185.4784756743. The cubic root of 685679283 is about 881.8072719717.

The spelling of 685679283 in words is "six hundred eighty-five million, six hundred seventy-nine thousand, two hundred eighty-three".