79434566543497 has 32 divisors (see below), whose sum is σ = 91964337500160. Its totient is φ = 67896745403520.

The previous prime is 79434566543461. The next prime is 79434566543539.

It is a happy number.

79434566543497 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79434566543497 - 2⁷ = 79434566543369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79434566543407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171384288 + ... + 171847150.

It is an arithmetic number, because the mean of its divisors is an integer number (2873885546880).

Almost surely, 2^{79434566543497} is an apocalyptic number.

It is an amenable number.

79434566543497 is a deficient number, since it is larger than the sum of its proper divisors (12529770956663).

79434566543497 is a wasteful number, since it uses less digits than its factorization.

79434566543497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474453.

The product of its digits is 8230118400, while the sum is 76.

The spelling of 79434566543497 in words is "seventy-nine trillion, four hundred thirty-four billion, five hundred sixty-six million, five hundred forty-three thousand, four hundred ninety-seven".