988885972 has 6 divisors (see below), whose sum is σ = 1730550458. Its totient is φ = 494442984.

The previous prime is 988885907. The next prime is 988885981. The reversal of 988885972 is 279588889.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 515562436 + 473323536 = 22706^2 + 21756^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 123610743 + ... + 123610750.

Almost surely, 2^988885972 is an apocalyptic number.

It is an amenable number.

988885972 is a deficient number, since it is larger than the sum of its proper divisors (741664486).

988885972 is a wasteful number, since it uses less digits than its factorization.

988885972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247221497 (or 247221495 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 64.

The square root of 988885972 is about 31446.5573950472. The cubic root of 988885972 is about 996.2815140005.

The spelling of 988885972 in words is "nine hundred eighty-eight million, eight hundred eighty-five thousand, nine hundred seventy-two".