689066733884 has 12 divisors (see below), whose sum is σ = 1205872912104. Its totient is φ = 344531616144.

The previous prime is 689066733877. The next prime is 689066733907. The reversal of 689066733884 is 488337660986.

It is a happy number.

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, 906554 + ... + 1483230.

It is an arithmetic number, because the mean of its divisors is an integer number (100489409342).

Almost surely, 2^689066733884 is an apocalyptic number.

It is an amenable number.

689066733884 is a deficient number, since it is larger than the sum of its proper divisors (516806178220).

689066733884 is a wasteful number, since it uses less digits than its factorization.

689066733884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875404 (or 875402 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 68.

The spelling of 689066733884 in words is "six hundred eighty-nine billion, sixty-six million, seven hundred thirty-three thousand, eight hundred eighty-four".