79412811 has 4 divisors (see below), whose sum is σ = 105883752. Its totient is φ = 52941872.

The previous prime is 79412783. The next prime is 79412821. The reversal of 79412811 is 11821497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11821497 = 3 ⋅3940499.

It is a cyclic number.

It is not a de Polignac number, because 79412811 - 2⁵ = 79412779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79412821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13235466 + ... + 13235471.

It is an arithmetic number, because the mean of its divisors is an integer number (26470938).

Almost surely, 2^79412811 is an apocalyptic number.

79412811 is a deficient number, since it is larger than the sum of its proper divisors (26470941).

79412811 is a wasteful number, since it uses less digits than its factorization.

79412811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26470940.

The product of its digits is 4032, while the sum is 33.

The square root of 79412811 is about 8911.3865924445. The cubic root of 79412811 is about 429.8301312086.

The spelling of 79412811 in words is "seventy-nine million, four hundred twelve thousand, eight hundred eleven".