988566988 has 6 divisors (see below), whose sum is σ = 1729992236. Its totient is φ = 494283492.

The previous prime is 988566973. The next prime is 988566989. The reversal of 988566988 is 889665889.

It is not an unprimeable number, because it can be changed into a prime (988566989) 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, 123570870 + ... + 123570877.

Almost surely, 2^988566988 is an apocalyptic number.

It is an amenable number.

988566988 is a deficient number, since it is larger than the sum of its proper divisors (741425248).

988566988 is a wasteful number, since it uses less digits than its factorization.

988566988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247141751 (or 247141749 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 67.

The square root of 988566988 is about 31441.4851430399. The cubic root of 988566988 is about 996.1743792893.

The spelling of 988566988 in words is "nine hundred eighty-eight million, five hundred sixty-six thousand, nine hundred eighty-eight".