689234775 has 12 divisors (see below), whose sum is σ = 1139534952. Its totient is φ = 367591840.

The previous prime is 689234773. The next prime is 689234801. The reversal of 689234775 is 577432986.

689234775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 689234775 - 2¹ = 689234773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689234771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4594824 + ... + 4594973.

It is an arithmetic number, because the mean of its divisors is an integer number (94961246).

Almost surely, 2^689234775 is an apocalyptic number.

689234775 is a deficient number, since it is larger than the sum of its proper divisors (450300177).

689234775 is a wasteful number, since it uses less digits than its factorization.

689234775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189810 (or 9189805 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 689234775 is about 26253.2812234966. The cubic root of 689234775 is about 883.3288069860.

The spelling of 689234775 in words is "six hundred eighty-nine million, two hundred thirty-four thousand, seven hundred seventy-five".