79945267 has 4 divisors (see below), whose sum is σ = 80067240. Its totient is φ = 79823296.

The previous prime is 79945231. The next prime is 79945297. The reversal of 79945267 is 76254997.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79945267 - 2¹¹ = 79943219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79945267.

It is not an unprimeable number, because it can be changed into a prime (79945297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59998 + ... + 61315.

It is an arithmetic number, because the mean of its divisors is an integer number (20016810).

Almost surely, 2^79945267 is an apocalyptic number.

79945267 is a deficient number, since it is larger than the sum of its proper divisors (121973).

79945267 is a wasteful number, since it uses less digits than its factorization.

79945267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121972.

The product of its digits is 952560, while the sum is 49.

The square root of 79945267 is about 8941.2117187773. The cubic root of 79945267 is about 430.7886500264.

The spelling of 79945267 in words is "seventy-nine million, nine hundred forty-five thousand, two hundred sixty-seven".