79859411 has 4 divisors (see below), whose sum is σ = 79900800. Its totient is φ = 79818024.

The previous prime is 79859407. The next prime is 79859419. The reversal of 79859411 is 11495897.

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 79859411 - 2² = 79859407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79859419) 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 3 ways as a sum of consecutive naturals, for example, 17651 + ... + 21708.

It is an arithmetic number, because the mean of its divisors is an integer number (19975200).

Almost surely, 2^79859411 is an apocalyptic number.

79859411 is a deficient number, since it is larger than the sum of its proper divisors (41389).

79859411 is a wasteful number, since it uses less digits than its factorization.

79859411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41388.

The product of its digits is 90720, while the sum is 44.

The square root of 79859411 is about 8936.4092900896. The cubic root of 79859411 is about 430.6343818221.

The spelling of 79859411 in words is "seventy-nine million, eight hundred fifty-nine thousand, four hundred eleven".