686302007 has 2 divisors, whose sum is σ = 686302008. Its totient is φ = 686302006.

The previous prime is 686301989. The next prime is 686302009. The reversal of 686302007 is 700203686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 686302007 - 2²² = 682107703 is a prime.

Together with 686302009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (686302009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343151003 + 343151004.

It is an arithmetic number, because the mean of its divisors is an integer number (343151004).

Almost surely, 2^686302007 is an apocalyptic number.

686302007 is a deficient number, since it is larger than the sum of its proper divisors (1).

686302007 is an equidigital number, since it uses as much as digits as its factorization.

686302007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 686302007 is about 26197.3664134393. The cubic root of 686302007 is about 882.0741393998.

The spelling of 686302007 in words is "six hundred eighty-six million, three hundred two thousand, seven".