79329748999 has 4 divisors (see below), whose sum is σ = 79333142680. Its totient is φ = 79326355320.

The previous prime is 79329748997. The next prime is 79329749033. The reversal of 79329748999 is 99984792397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99984792397 = 7 ⋅14283541771.

It is a cyclic number.

It is not a de Polignac number, because 79329748999 - 2¹ = 79329748997 is a prime.

It is a super-3 number, since 3×79329748999³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79329748997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661532 + ... + 1708609.

It is an arithmetic number, because the mean of its divisors is an integer number (19833285670).

Almost surely, 2^79329748999 is an apocalyptic number.

79329748999 is a deficient number, since it is larger than the sum of its proper divisors (3393681).

79329748999 is a wasteful number, since it uses less digits than its factorization.

79329748999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393680.

The product of its digits is 555532992, while the sum is 76.

The spelling of 79329748999 in words is "seventy-nine billion, three hundred twenty-nine million, seven hundred forty-eight thousand, nine hundred ninety-nine".