988788017 has 8 divisors (see below), whose sum is σ = 1196516736. Its totient is φ = 797677632.

The previous prime is 988788013. The next prime is 988788029. The reversal of 988788017 is 710887889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 988788017 - 2² = 988788013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988788013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154453 + ... + 4154690.

It is an arithmetic number, because the mean of its divisors is an integer number (149564592).

Almost surely, 2^988788017 is an apocalyptic number.

It is an amenable number.

988788017 is a deficient number, since it is larger than the sum of its proper divisors (207728719).

988788017 is a wasteful number, since it uses less digits than its factorization.

988788017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309167.

The product of its (nonzero) digits is 1806336, while the sum is 56.

The square root of 988788017 is about 31444.9998727938. Note that the first 3 decimals coincide. The cubic root of 988788017 is about 996.2486170569.

The spelling of 988788017 in words is "nine hundred eighty-eight million, seven hundred eighty-eight thousand, seventeen".