289668866982 has 32 divisors (see below), whose sum is σ = 633100212864. Its totient is φ = 87626304000.

The previous prime is 289668866957. The next prime is 289668866999.

289668866982 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 289668866898 and 289668866907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765144 + ... + 3841307.

It is an arithmetic number, because the mean of its divisors is an integer number (19784381652).

Almost surely, 2^289668866982 is an apocalyptic number.

289668866982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289668866982 is an abundant number, since it is smaller than the sum of its proper divisors (343431345882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289668866982 is a wasteful number, since it uses less digits than its factorization.

289668866982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607044.

The product of its digits is 1719926784, while the sum is 78.

The spelling of 289668866982 in words is "two hundred eighty-nine billion, six hundred sixty-eight million, eight hundred sixty-six thousand, nine hundred eighty-two".