686075357 has 8 divisors (see below), whose sum is σ = 760716192. Its totient is φ = 613479600.

The previous prime is 686075339. The next prime is 686075371. The reversal of 686075357 is 753570686.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 686075357 - 2⁶ = 686075293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686075057) 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 7 ways as a sum of consecutive naturals, for example, 510563 + ... + 511904.

It is an arithmetic number, because the mean of its divisors is an integer number (95089524).

Almost surely, 2^686075357 is an apocalyptic number.

It is an amenable number.

686075357 is a deficient number, since it is larger than the sum of its proper divisors (74640835).

686075357 is a wasteful number, since it uses less digits than its factorization.

686075357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022539.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 686075357 is about 26193.0402397278. The cubic root of 686075357 is about 881.9770275775.

The spelling of 686075357 in words is "six hundred eighty-six million, seventy-five thousand, three hundred fifty-seven".