789898898987 has 8 divisors (see below), whose sum is σ = 862092779520. Its totient is φ = 717769166760.

The previous prime is 789898898857. The next prime is 789898899061.

It is a happy number.

789898898987 is nontrivially palindromic in base 10.

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 789898898987 - 2³⁰ = 788825157163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 789898898893 and 789898898902.

It is not an unprimeable number, because it can be changed into a prime (789898892987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16011323 + ... + 16060580.

It is an arithmetic number, because the mean of its divisors is an integer number (107761597440).

Almost surely, 2^789898898987 is an apocalyptic number.

789898898987 is a deficient number, since it is larger than the sum of its proper divisors (72193880533).

789898898987 is a wasteful number, since it uses less digits than its factorization.

789898898987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32074153.

The product of its digits is 84276412416, while the sum is 98.

The spelling of 789898898987 in words is "seven hundred eighty-nine billion, eight hundred ninety-eight million, eight hundred ninety-eight thousand, nine hundred eighty-seven".