686800363 has 2 divisors, whose sum is σ = 686800364. Its totient is φ = 686800362.

The previous prime is 686800351. The next prime is 686800369. The reversal of 686800363 is 363008686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 686800363 - 2²¹ = 684703211 is a prime.

It is not a weakly prime, because it can be changed into another prime (686800369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343400181 + 343400182.

It is an arithmetic number, because the mean of its divisors is an integer number (343400182).

Almost surely, 2^686800363 is an apocalyptic number.

686800363 is a deficient number, since it is larger than the sum of its proper divisors (1).

686800363 is an equidigital number, since it uses as much as digits as its factorization.

686800363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 686800363 is about 26206.8762541437. The cubic root of 686800363 is about 882.2875928439.

The spelling of 686800363 in words is "six hundred eighty-six million, eight hundred thousand, three hundred sixty-three".