68447558245 has 8 divisors (see below), whose sum is σ = 89604076320. Its totient is φ = 49780042320.

The previous prime is 68447558243. The next prime is 68447558261. The reversal of 68447558245 is 54285574486.

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

It is not a de Polignac number, because 68447558245 - 2¹ = 68447558243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68447558245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68447558243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622250475 + ... + 622250584.

It is an arithmetic number, because the mean of its divisors is an integer number (11200509540).

Almost surely, 2^68447558245 is an apocalyptic number.

It is an amenable number.

68447558245 is a deficient number, since it is larger than the sum of its proper divisors (21156518075).

68447558245 is a wasteful number, since it uses less digits than its factorization.

68447558245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244501075.

The product of its digits is 43008000, while the sum is 58.

The spelling of 68447558245 in words is "sixty-eight billion, four hundred forty-seven million, five hundred fifty-eight thousand, two hundred forty-five".