71718230855 has 8 divisors (see below), whose sum is σ = 86070114000. Its totient is φ = 57369093376.

The previous prime is 71718230849. The next prime is 71718230879. The reversal of 71718230855 is 55803281717.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 71718230855 - 2⁶ = 71718230791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628505 + ... + 733794.

It is an arithmetic number, because the mean of its divisors is an integer number (10758764250).

Almost surely, 2^71718230855 is an apocalyptic number.

71718230855 is a deficient number, since it is larger than the sum of its proper divisors (14351883145).

71718230855 is a wasteful number, since it uses less digits than its factorization.

71718230855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372833.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 71718230855 in words is "seventy-one billion, seven hundred eighteen million, two hundred thirty thousand, eight hundred fifty-five".