686868302 has 8 divisors (see below), whose sum is σ = 1063538112. Its totient is φ = 332355600.

The previous prime is 686868263. The next prime is 686868307. The reversal of 686868302 is 203868686.

It is a happy number.

686868302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686868307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539199 + ... + 5539322.

It is an arithmetic number, because the mean of its divisors is an integer number (132942264).

Almost surely, 2^686868302 is an apocalyptic number.

686868302 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

686868302 is a deficient number, since it is larger than the sum of its proper divisors (376669810).

686868302 is a wasteful number, since it uses less digits than its factorization.

686868302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078554.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 686868302 is about 26208.1724276990. The cubic root of 686868302 is about 882.3166841508.

The spelling of 686868302 in words is "six hundred eighty-six million, eight hundred sixty-eight thousand, three hundred two".