689112886 has 32 divisors (see below), whose sum is σ = 1292060160. Its totient is φ = 267792000.

The previous prime is 689112841. The next prime is 689112887. The reversal of 689112886 is 688211986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689112887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56175 + ... + 67333.

It is an arithmetic number, because the mean of its divisors is an integer number (40376880).

Almost surely, 2^689112886 is an apocalyptic number.

689112886 is a deficient number, since it is larger than the sum of its proper divisors (602947274).

689112886 is a wasteful number, since it uses less digits than its factorization.

689112886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580.

The product of its digits is 331776, while the sum is 49.

The square root of 689112886 is about 26250.9597157894. The cubic root of 689112886 is about 883.2767326100.

The spelling of 689112886 in words is "six hundred eighty-nine million, one hundred twelve thousand, eight hundred eighty-six".