79585479571 has 4 divisors (see below), whose sum is σ = 85707439552. Its totient is φ = 73463519592.

The previous prime is 79585479539. The next prime is 79585479587. The reversal of 79585479571 is 17597458597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17597458597 = 197 ⋅89327201.

It is a cyclic number.

It is not a de Polignac number, because 79585479571 - 2⁵ = 79585479539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79585479497 and 79585479506.

It is not an unprimeable number, because it can be changed into a prime (79585479511) 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, 3060979971 + ... + 3060979996.

It is an arithmetic number, because the mean of its divisors is an integer number (21426859888).

Almost surely, 2^79585479571 is an apocalyptic number.

79585479571 is a deficient number, since it is larger than the sum of its proper divisors (6121959981).

79585479571 is a wasteful number, since it uses less digits than its factorization.

79585479571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121959980.

The product of its digits is 111132000, while the sum is 67.

The spelling of 79585479571 in words is "seventy-nine billion, five hundred eighty-five million, four hundred seventy-nine thousand, five hundred seventy-one".