668880088 has 8 divisors (see below), whose sum is σ = 1254150180. Its totient is φ = 334440040.

The previous prime is 668880083. The next prime is 668880101. The reversal of 668880088 is 880088866.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668880083) by changing a digit.

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 as a sum of consecutive naturals, namely, 41804998 + ... + 41805013.

Almost surely, 2^668880088 is an apocalyptic number.

It is an amenable number.

668880088 is a deficient number, since it is larger than the sum of its proper divisors (585270092).

668880088 is a wasteful number, since it uses less digits than its factorization.

668880088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83610017 (or 83610013 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 52.

The square root of 668880088 is about 25862.7161759936. The cubic root of 668880088 is about 874.5461975553.

The spelling of 668880088 in words is "six hundred sixty-eight million, eight hundred eighty thousand, eighty-eight".