79116505 has 12 divisors (see below), whose sum is σ = 102805740. Its totient is φ = 58423872.

The previous prime is 79116503. The next prime is 79116547. The reversal of 79116505 is 50561197.

It can be written as a sum of positive squares in 6 ways, for example, as 18696976 + 60419529 = 4324^2 + 7773^2 .

It is not a de Polignac number, because 79116505 - 2¹ = 79116503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79116503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45970 + ... + 47659.

It is an arithmetic number, because the mean of its divisors is an integer number (8567145).

Almost surely, 2^79116505 is an apocalyptic number.

It is an amenable number.

79116505 is a deficient number, since it is larger than the sum of its proper divisors (23689235).

79116505 is a wasteful number, since it uses less digits than its factorization.

79116505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93660 (or 93647 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 79116505 is about 8894.7459210480. The cubic root of 79116505 is about 429.2948692094.

The spelling of 79116505 in words is "seventy-nine million, one hundred sixteen thousand, five hundred five".