689678003 has 8 divisors (see below), whose sum is σ = 788442720. Its totient is φ = 590973120.

The previous prime is 689677997. The next prime is 689678027. The reversal of 689678003 is 300876986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689678003 - 2²² = 685483699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689678303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13313 + ... + 39453.

It is an arithmetic number, because the mean of its divisors is an integer number (98555340).

Almost surely, 2^689678003 is an apocalyptic number.

689678003 is a deficient number, since it is larger than the sum of its proper divisors (98764717).

689678003 is a wasteful number, since it uses less digits than its factorization.

689678003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29917.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 689678003 is about 26261.7212497582. The cubic root of 689678003 is about 883.5181145970.

The spelling of 689678003 in words is "six hundred eighty-nine million, six hundred seventy-eight thousand, three".