68081179 has 4 divisors (see below), whose sum is σ = 69097384. Its totient is φ = 67064976.

The previous prime is 68081137. The next prime is 68081213. The reversal of 68081179 is 97118086.

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 68081179 - 2¹⁵ = 68048411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68081129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508002 + ... + 508135.

It is an arithmetic number, because the mean of its divisors is an integer number (17274346).

Almost surely, 2^68081179 is an apocalyptic number.

68081179 is a deficient number, since it is larger than the sum of its proper divisors (1016205).

68081179 is a wasteful number, since it uses less digits than its factorization.

68081179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016204.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 68081179 is about 8251.1319829463. The cubic root of 68081179 is about 408.3278694627.

The spelling of 68081179 in words is "sixty-eight million, eighty-one thousand, one hundred seventy-nine".