688468486226 has 16 divisors (see below), whose sum is σ = 1075978494720. Its totient is φ = 330016545840.

The previous prime is 688468486219. The next prime is 688468486271. The reversal of 688468486226 is 622684864886.

It is a happy number.

It is a super-4 number, since 4×688468486226⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51882761 + ... + 51896028.

It is an arithmetic number, because the mean of its divisors is an integer number (67248655920).

Almost surely, 2^688468486226 is an apocalyptic number.

688468486226 is a deficient number, since it is larger than the sum of its proper divisors (387510008494).

688468486226 is a wasteful number, since it uses less digits than its factorization.

688468486226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103778929.

The product of its digits is 339738624, while the sum is 68.

The spelling of 688468486226 in words is "six hundred eighty-eight billion, four hundred sixty-eight million, four hundred eighty-six thousand, two hundred twenty-six".