988555873 has 2 divisors, whose sum is σ = 988555874. Its totient is φ = 988555872.

The previous prime is 988555871. The next prime is 988555937. The reversal of 988555873 is 378555889.

988555873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909203409 + 79352464 = 30153^2 + 8908^2 .

It is a cyclic number.

It is not a de Polignac number, because 988555873 - 2¹ = 988555871 is a prime.

Together with 988555871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (988555871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494277936 + 494277937.

It is an arithmetic number, because the mean of its divisors is an integer number (494277937).

Almost surely, 2^988555873 is an apocalyptic number.

It is an amenable number.

988555873 is a deficient number, since it is larger than the sum of its proper divisors (1).

988555873 is an equidigital number, since it uses as much as digits as its factorization.

988555873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 58.

The square root of 988555873 is about 31441.3083856254. The cubic root of 988555873 is about 996.1706457640.

The spelling of 988555873 in words is "nine hundred eighty-eight million, five hundred fifty-five thousand, eight hundred seventy-three".