4278541166767 has 8 divisors (see below), whose sum is σ = 4894735666176. Its totient is φ = 3663590250552.

The previous prime is 4278541166689. The next prime is 4278541166773. The reversal of 4278541166767 is 7676611458724.

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 4278541166767 - 2²⁷ = 4278406949039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4278541166699 and 4278541166708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278541166797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310888423 + ... + 310902184.

It is an arithmetic number, because the mean of its divisors is an integer number (611841958272).

Almost surely, 2^{4278541166767} is an apocalyptic number.

4278541166767 is a deficient number, since it is larger than the sum of its proper divisors (616194499409).

4278541166767 is an equidigital number, since it uses as much as digits as its factorization.

4278541166767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621791597.

The product of its digits is 94832640, while the sum is 64.

The spelling of 4278541166767 in words is "four trillion, two hundred seventy-eight billion, five hundred forty-one million, one hundred sixty-six thousand, seven hundred sixty-seven".