209068079 has 8 divisors (see below), whose sum is σ = 232927488. Its totient is φ = 186017560.

The previous prime is 209068051. The next prime is 209068087. The reversal of 209068079 is 970860902.

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 209068079 - 2²⁴ = 192290863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209061079) 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 7 ways as a sum of consecutive naturals, for example, 201677 + ... + 202710.

It is an arithmetic number, because the mean of its divisors is an integer number (29115936).

Almost surely, 2^209068079 is an apocalyptic number.

209068079 is a deficient number, since it is larger than the sum of its proper divisors (23859409).

209068079 is a wasteful number, since it uses less digits than its factorization.

209068079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404445.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 209068079 is about 14459.1866645396. The cubic root of 209068079 is about 593.5116429187.

The spelling of 209068079 in words is "two hundred nine million, sixty-eight thousand, seventy-nine".