71980719359 has 8 divisors (see below), whose sum is σ = 76864840320. Its totient is φ = 67256733600.

The previous prime is 71980719319. The next prime is 71980719383. The reversal of 71980719359 is 95391708917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71980719359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71980719298 and 71980719307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71980719319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40032872 + ... + 40034669.

It is an arithmetic number, because the mean of its divisors is an integer number (9608105040).

Almost surely, 2^71980719359 is an apocalyptic number.

71980719359 is a deficient number, since it is larger than the sum of its proper divisors (4884120961).

71980719359 is a wasteful number, since it uses less digits than its factorization.

71980719359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80067601.

The product of its (nonzero) digits is 4286520, while the sum is 59.

The spelling of 71980719359 in words is "seventy-one billion, nine hundred eighty million, seven hundred nineteen thousand, three hundred fifty-nine".