79932727321 has 4 divisors (see below), whose sum is σ = 80542900944. Its totient is φ = 79322553700.

The previous prime is 79932727309. The next prime is 79932727361. The reversal of 79932727321 is 12372723997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79932727321 - 2¹¹ = 79932725273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79932727361) 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, 305086615 + ... + 305086876.

It is an arithmetic number, because the mean of its divisors is an integer number (20135725236).

Almost surely, 2^79932727321 is an apocalyptic number.

It is an amenable number.

79932727321 is a deficient number, since it is larger than the sum of its proper divisors (610173623).

79932727321 is a wasteful number, since it uses less digits than its factorization.

79932727321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610173622.

The product of its digits is 2000376, while the sum is 52.

The spelling of 79932727321 in words is "seventy-nine billion, nine hundred thirty-two million, seven hundred twenty-seven thousand, three hundred twenty-one".