988617065 has 8 divisors (see below), whose sum is σ = 1256125320. Its totient is φ = 744370432.

The previous prime is 988617061. The next prime is 988617107. The reversal of 988617065 is 560716889.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51093904 + 937523161 = 7148^2 + 30619^2 .

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

It is not a de Polignac number, because 988617065 - 2² = 988617061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988617061) 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 in 7 ways as a sum of consecutive naturals, for example, 5815310 + ... + 5815479.

It is an arithmetic number, because the mean of its divisors is an integer number (157015665).

Almost surely, 2^988617065 is an apocalyptic number.

It is an amenable number.

988617065 is a deficient number, since it is larger than the sum of its proper divisors (267508255).

988617065 is a wasteful number, since it uses less digits than its factorization.

988617065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630811.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 988617065 is about 31442.2814852867. The cubic root of 988617065 is about 996.1911997923.

The spelling of 988617065 in words is "nine hundred eighty-eight million, six hundred seventeen thousand, sixty-five".