689227226888 has 36 divisors (see below), whose sum is σ = 1324774407645. Its totient is φ = 336161440320.

The previous prime is 689227226879. The next prime is 689227226903. The reversal of 689227226888 is 888622722986.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 492217302724 + 197009924164 = 701582^2 + 443858^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=587038.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 96270653 + ... + 96277811.

Almost surely, 2^689227226888 is an apocalyptic number.

It is an amenable number.

689227226888 is a deficient number, since it is larger than the sum of its proper divisors (635547180757).

689227226888 is an frugal number, since it uses more digits than its factorization.

689227226888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14406 (or 7202 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 68.

The spelling of 689227226888 in words is "six hundred eighty-nine billion, two hundred twenty-seven million, two hundred twenty-six thousand, eight hundred eighty-eight".