289999999982 has 128 divisors (see below), whose sum is σ = 556408258560. Its totient is φ = 110101824000.

The previous prime is 289999999921. The next prime is 289999999987.

It is a happy number.

289999999982 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 289999999891 and 289999999900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289999999987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 440060369 + ... + 440061027.

It is an arithmetic number, because the mean of its divisors is an integer number (4346939520).

Almost surely, 2^289999999982 is an apocalyptic number.

289999999982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289999999982 is a deficient number, since it is larger than the sum of its proper divisors (266408258578).

289999999982 is a wasteful number, since it uses less digits than its factorization.

289999999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its digits is 11019960576, while the sum is 92.

The spelling of 289999999982 in words is "two hundred eighty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".