68079393091 has 8 divisors (see below), whose sum is σ = 70445591280. Its totient is φ = 65714437152.

The previous prime is 68079393073. The next prime is 68079393127. The reversal of 68079393091 is 19039397086.

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 68079393091 - 2¹¹ = 68079391043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68079393071) 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, 198360 + ... + 418933.

It is an arithmetic number, because the mean of its divisors is an integer number (8805698910).

Almost surely, 2^68079393091 is an apocalyptic number.

68079393091 is a deficient number, since it is larger than the sum of its proper divisors (2366198189).

68079393091 is a wasteful number, since it uses less digits than its factorization.

68079393091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621125.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 68079393091 in words is "sixty-eight billion, seventy-nine million, three hundred ninety-three thousand, ninety-one".