689068855 has 8 divisors (see below), whose sum is σ = 855396000. Its totient is φ = 532246176.

The previous prime is 689068843. The next prime is 689068949. The reversal of 689068855 is 558860986.

689068855 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 689068855 - 2⁵ = 689068823 is a prime.

It is a super-2 number, since 2×689068855² = 949631773862022050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 689068796 and 689068805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375955 + ... + 2376244.

It is an arithmetic number, because the mean of its divisors is an integer number (106924500).

Almost surely, 2^689068855 is an apocalyptic number.

689068855 is a deficient number, since it is larger than the sum of its proper divisors (166327145).

689068855 is a wasteful number, since it uses less digits than its factorization.

689068855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752233.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The square root of 689068855 is about 26250.1210473400. The cubic root of 689068855 is about 883.2579198306.

The spelling of 689068855 in words is "six hundred eighty-nine million, sixty-eight thousand, eight hundred fifty-five".