79785133 has 8 divisors (see below), whose sum is σ = 81557280. Its totient is φ = 78028080.

The previous prime is 79785113. The next prime is 79785151. The reversal of 79785133 is 33158797.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79785133 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 79785133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79785113) 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, 7266 + ... + 14572.

It is an arithmetic number, because the mean of its divisors is an integer number (10194660).

Almost surely, 2^79785133 is an apocalyptic number.

It is an amenable number.

79785133 is a deficient number, since it is larger than the sum of its proper divisors (1772147).

79785133 is a wasteful number, since it uses less digits than its factorization.

79785133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547.

The product of its digits is 158760, while the sum is 43.

The square root of 79785133 is about 8932.2524035094. The cubic root of 79785133 is about 430.5008280248.

The spelling of 79785133 in words is "seventy-nine million, seven hundred eighty-five thousand, one hundred thirty-three".