289631108764 has 12 divisors (see below), whose sum is σ = 506862632304. Its totient is φ = 144813213824.

The previous prime is 289631108717. The next prime is 289631108771. The reversal of 289631108764 is 467801136982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290197 + ... + 814540.

It is an arithmetic number, because the mean of its divisors is an integer number (42238552692).

Almost surely, 2^289631108764 is an apocalyptic number.

It is an amenable number.

289631108764 is a deficient number, since it is larger than the sum of its proper divisors (217231523540).

289631108764 is a wasteful number, since it uses less digits than its factorization.

289631108764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170284 (or 1170282 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 289631108764 in words is "two hundred eighty-nine billion, six hundred thirty-one million, one hundred eight thousand, seven hundred sixty-four".