689789695 has 8 divisors (see below), whose sum is σ = 945997344. Its totient is φ = 472998624.

The previous prime is 689789669. The next prime is 689789741. The reversal of 689789695 is 596987986.

689789695 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 689789695 - 2¹³ = 689781503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 689789695.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9854104 + ... + 9854173.

It is an arithmetic number, because the mean of its divisors is an integer number (118249668).

Almost surely, 2^689789695 is an apocalyptic number.

689789695 is a deficient number, since it is larger than the sum of its proper divisors (256207649).

689789695 is a wasteful number, since it uses less digits than its factorization.

689789695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19708289.

The product of its digits is 58786560, while the sum is 67.

The square root of 689789695 is about 26263.8476807950. The cubic root of 689789695 is about 883.5658066979.

The spelling of 689789695 in words is "six hundred eighty-nine million, seven hundred eighty-nine thousand, six hundred ninety-five".