97868989 has 8 divisors (see below), whose sum is σ = 100814912. Its totient is φ = 94953600.

The previous prime is 97868987. The next prime is 97868999. The reversal of 97868989 is 98986879.

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 97868989 - 2¹ = 97868987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97868989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97868987) 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, 1044 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (12601864).

Almost surely, 2^97868989 is an apocalyptic number.

It is an amenable number.

97868989 is a deficient number, since it is larger than the sum of its proper divisors (2945923).

97868989 is a wasteful number, since it uses less digits than its factorization.

97868989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15267.

The product of its digits is 15676416, while the sum is 64.

The square root of 97868989 is about 9892.8756688841. The cubic root of 97868989 is about 460.8380893321.

The spelling of 97868989 in words is "ninety-seven million, eight hundred sixty-eight thousand, nine hundred eighty-nine".