98989855 has 8 divisors (see below), whose sum is σ = 118842912. Its totient is φ = 79155168.

The previous prime is 98989843. The next prime is 98989879. The reversal of 98989855 is 55898989.

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 98989855 - 2⁹ = 98989343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98989793 and 98989802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14457 + ... + 20173.

It is an arithmetic number, because the mean of its divisors is an integer number (14855364).

Almost surely, 2^98989855 is an apocalyptic number.

98989855 is a deficient number, since it is larger than the sum of its proper divisors (19853057).

98989855 is a wasteful number, since it uses less digits than its factorization.

98989855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185.

The product of its digits is 9331200, while the sum is 61.

The square root of 98989855 is about 9949.3645525732. The cubic root of 98989855 is about 462.5906985504.

The spelling of 98989855 in words is "ninety-eight million, nine hundred eighty-nine thousand, eight hundred fifty-five".