686296688264 has 16 divisors (see below), whose sum is σ = 1403788680720. Its totient is φ = 311953040080.

The previous prime is 686296688243. The next prime is 686296688267. The reversal of 686296688264 is 462886692686.

686296688264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (686296688267) 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, 3899412914 + ... + 3899413089.

It is an arithmetic number, because the mean of its divisors is an integer number (87736792545).

Almost surely, 2^686296688264 is an apocalyptic number.

It is an amenable number.

686296688264 is an abundant number, since it is smaller than the sum of its proper divisors (717491992456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686296688264 is a wasteful number, since it uses less digits than its factorization.

686296688264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798826020 (or 7798826016 counting only the distinct ones).

The product of its digits is 573308928, while the sum is 71.

The spelling of 686296688264 in words is "six hundred eighty-six billion, two hundred ninety-six million, six hundred eighty-eight thousand, two hundred sixty-four".