988125668 has 6 divisors (see below), whose sum is σ = 1729219926. Its totient is φ = 494062832.

The previous prime is 988125667. The next prime is 988125709. The reversal of 988125668 is 866521889.

It can be written as a sum of positive squares in only one way, i.e., 975437824 + 12687844 = 31232^2 + 3562^2 .

It is not an unprimeable number, because it can be changed into a prime (988125667) 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, 123515705 + ... + 123515712.

It is an arithmetic number, because the mean of its divisors is an integer number (288203321).

Almost surely, 2^988125668 is an apocalyptic number.

It is an amenable number.

988125668 is a deficient number, since it is larger than the sum of its proper divisors (741094258).

988125668 is a wasteful number, since it uses less digits than its factorization.

988125668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247031421 (or 247031419 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The square root of 988125668 is about 31434.4662432814. The cubic root of 988125668 is about 996.0261185175.

The spelling of 988125668 in words is "nine hundred eighty-eight million, one hundred twenty-five thousand, six hundred sixty-eight".