898989898989898 has 16 divisors (see below), whose sum is σ = 1367478763911936. Its totient is φ = 443163655196080.

The previous prime is 898989898989881. The next prime is 898989898989907.

898989898989898 is nontrivially palindromic in base 10.

898989898989898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

898989898989898 is an undulating number in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239826015 + ... + 243545677.

It is an arithmetic number, because the mean of its divisors is an integer number (85467422744496).

Almost surely, 2^{898989898989898} is an apocalyptic number.

898989898989898 is a deficient number, since it is larger than the sum of its proper divisors (468488864922038).

898989898989898 is a wasteful number, since it uses less digits than its factorization.

898989898989898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421749.

The product of its digits is 80244904034304, while the sum is 127.

The spelling of 898989898989898 in words is "eight hundred ninety-eight trillion, nine hundred eighty-nine billion, eight hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred ninety-eight".