699828009 has 8 divisors (see below), whose sum is σ = 936652992. Its totient is φ = 464777520.

The previous prime is 699827983. The next prime is 699828037. The reversal of 699828009 is 900828996.

699828009 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 not a de Polignac number, because 699828009 - 2⁸ = 699827753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699828049) 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, 442702 + ... + 444279.

It is an arithmetic number, because the mean of its divisors is an integer number (117081624).

Almost surely, 2^699828009 is an apocalyptic number.

It is an amenable number.

699828009 is a deficient number, since it is larger than the sum of its proper divisors (236824983).

699828009 is a wasteful number, since it uses less digits than its factorization.

699828009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887247.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 699828009 is about 26454.2625865852. The cubic root of 699828009 is about 887.8312760255.

The spelling of 699828009 in words is "six hundred ninety-nine million, eight hundred twenty-eight thousand, nine".