71789339327 has 4 divisors (see below), whose sum is σ = 71827588056. Its totient is φ = 71751090600.

The previous prime is 71789339299. The next prime is 71789339341. The reversal of 71789339327 is 72393398717.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71789339327 - 2²⁰ = 71788290751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71789333327) 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, 19121549 + ... + 19125302.

It is an arithmetic number, because the mean of its divisors is an integer number (17956897014).

Almost surely, 2^71789339327 is an apocalyptic number.

71789339327 is a deficient number, since it is larger than the sum of its proper divisors (38248729).

71789339327 is a wasteful number, since it uses less digits than its factorization.

71789339327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38248728.

The product of its digits is 12002256, while the sum is 59.

The spelling of 71789339327 in words is "seventy-one billion, seven hundred eighty-nine million, three hundred thirty-nine thousand, three hundred twenty-seven".