88889998 has 4 divisors (see below), whose sum is σ = 133335000.
Its totient is φ = 44444998.
The previous prime is 88889939. The next prime is 88890007. The reversal of 88889998 is 89998888.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22222498 + ... + 22222501.
It is an arithmetic number, because the mean of its divisors is an integer number (33333750).
Almost surely, 288889998 is an apocalyptic number.
88889998 is a deficient number, since it is larger than the sum of its proper divisors (44445002).
88889998 is a wasteful number, since it uses less digits than its factorization.
88889998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44445001.
The product of its digits is 23887872, while the sum is 67.
The square root of 88889998 is about 9428.1492351362.
The cubic root of 88889998 is about 446.2904895692.
The spelling of 88889998 in words is "eighty-eight million, eight hundred eighty-nine thousand, nine hundred ninety-eight".