4168861786979 has 4 divisors (see below), whose sum is σ = 4257560973984. Its totient is φ = 4080162599976.

The previous prime is 4168861786961. The next prime is 4168861787047. The reversal of 4168861786979 is 9796871688614.

4168861786979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4168861786979 - 2⁸ = 4168861786723 is a prime.

It is a super-3 number, since 3×4168861786979³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4168861786379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44349593432 + ... + 44349593525.

It is an arithmetic number, because the mean of its divisors is an integer number (1064390243496).

Almost surely, 2^{4168861786979} is an apocalyptic number.

4168861786979 is a deficient number, since it is larger than the sum of its proper divisors (88699187005).

4168861786979 is an equidigital number, since it uses as much as digits as its factorization.

4168861786979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88699187004.

The product of its digits is 1755758592, while the sum is 80.

The spelling of 4168861786979 in words is "four trillion, one hundred sixty-eight billion, eight hundred sixty-one million, seven hundred eighty-six thousand, nine hundred seventy-nine".