266080839 has 8 divisors (see below), whose sum is σ = 359634672. Its totient is φ = 174957120.

The previous prime is 266080831. The next prime is 266080849. The reversal of 266080839 is 938080662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266080839 - 2³ = 266080831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266080839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266080831) 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, 607272 + ... + 607709.

It is an arithmetic number, because the mean of its divisors is an integer number (44954334).

Almost surely, 2^266080839 is an apocalyptic number.

266080839 is a deficient number, since it is larger than the sum of its proper divisors (93553833).

266080839 is a wasteful number, since it uses less digits than its factorization.

266080839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215057.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 266080839 is about 16311.9845205910. The cubic root of 266080839 is about 643.1879021643.

The spelling of 266080839 in words is "two hundred sixty-six million, eighty thousand, eight hundred thirty-nine".