667424227888 has 40 divisors (see below), whose sum is σ = 1415199238416. Its totient is φ = 302405376000.

The previous prime is 667424227867. The next prime is 667424227907. The reversal of 667424227888 is 888722424766.

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 7 ways as a sum of consecutive naturals, for example, 6002713 + ... + 6112888.

Almost surely, 2^667424227888 is an apocalyptic number.

It is an amenable number.

667424227888 is an abundant number, since it is smaller than the sum of its proper divisors (747775010528).

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

667424227888 is a wasteful number, since it uses less digits than its factorization.

667424227888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115933 (or 12115927 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 64.

The spelling of 667424227888 in words is "six hundred sixty-seven billion, four hundred twenty-four million, two hundred twenty-seven thousand, eight hundred eighty-eight".