686679325 has 12 divisors (see below), whose sum is σ = 851820480. Its totient is φ = 549125360.

The previous prime is 686679293. The next prime is 686679373. The reversal of 686679325 is 523976686.

It is not a de Polignac number, because 686679325 - 2⁵ = 686679293 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 95196 + ... + 102154.

It is an arithmetic number, because the mean of its divisors is an integer number (70985040).

Almost surely, 2^686679325 is an apocalyptic number.

It is an amenable number.

686679325 is a deficient number, since it is larger than the sum of its proper divisors (165141155).

686679325 is a wasteful number, since it uses less digits than its factorization.

686679325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916 (or 10911 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 686679325 is about 26204.5668729708. The cubic root of 686679325 is about 882.2357599264.

The spelling of 686679325 in words is "six hundred eighty-six million, six hundred seventy-nine thousand, three hundred twenty-five".