79494365811 has 32 divisors (see below), whose sum is σ = 128091672576. Its totient is φ = 42887808000.

The previous prime is 79494365789. The next prime is 79494365827. The reversal of 79494365811 is 11856349497.

It is a happy number.

It is not a de Polignac number, because 79494365811 - 2¹⁰ = 79494364787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79494365831) 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 31 ways as a sum of consecutive naturals, for example, 1462470 + ... + 1515851.

It is an arithmetic number, because the mean of its divisors is an integer number (4002864768).

Almost surely, 2^79494365811 is an apocalyptic number.

79494365811 is a deficient number, since it is larger than the sum of its proper divisors (48597306765).

79494365811 is a wasteful number, since it uses less digits than its factorization.

79494365811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978403.

The product of its digits is 6531840, while the sum is 57.

The spelling of 79494365811 in words is "seventy-nine billion, four hundred ninety-four million, three hundred sixty-five thousand, eight hundred eleven".