689093755 has 8 divisors (see below), whose sum is σ = 945042912. Its totient is φ = 472521408.

The previous prime is 689093753. The next prime is 689093789. The reversal of 689093755 is 557390986.

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 689093755 - 2¹ = 689093753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689093753) 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, 9844162 + ... + 9844231.

It is an arithmetic number, because the mean of its divisors is an integer number (118130364).

Almost surely, 2^689093755 is an apocalyptic number.

689093755 is a deficient number, since it is larger than the sum of its proper divisors (255949157).

689093755 is a wasteful number, since it uses less digits than its factorization.

689093755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19688405.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 689093755 is about 26250.5953265826. The cubic root of 689093755 is about 883.2685587564.

The spelling of 689093755 in words is "six hundred eighty-nine million, ninety-three thousand, seven hundred fifty-five".