79617594811 has 8 divisors (see below), whose sum is σ = 83200884480. Its totient is φ = 76044443112.

The previous prime is 79617594809. The next prime is 79617594817. The reversal of 79617594811 is 11849571697.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79617594811 - 2¹ = 79617594809 is a prime.

It is a super-2 number, since 2×79617594811² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79617594817) 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 7 ways as a sum of consecutive naturals, for example, 2518431 + ... + 2549848.

It is an arithmetic number, because the mean of its divisors is an integer number (10400110560).

Almost surely, 2^79617594811 is an apocalyptic number.

79617594811 is a deficient number, since it is larger than the sum of its proper divisors (3583289669).

79617594811 is a wasteful number, since it uses less digits than its factorization.

79617594811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068985.

The product of its digits is 3810240, while the sum is 58.

The spelling of 79617594811 in words is "seventy-nine billion, six hundred seventeen million, five hundred ninety-four thousand, eight hundred eleven".