4278072750655 has 8 divisors (see below), whose sum is σ = 5600386146384. Its totient is φ = 3111325636800.

The previous prime is 4278072750599. The next prime is 4278072750659. The reversal of 4278072750655 is 5560572708724.

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

It is not a de Polignac number, because 4278072750655 - 2¹⁹ = 4278072226367 is a prime.

It is a super-3 number, since 3×4278072750655³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4278072750655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278072750659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38891570406 + ... + 38891570515.

It is an arithmetic number, because the mean of its divisors is an integer number (700048268298).

Almost surely, 2^{4278072750655} is an apocalyptic number.

4278072750655 is a deficient number, since it is larger than the sum of its proper divisors (1322313395729).

4278072750655 is a wasteful number, since it uses less digits than its factorization.

4278072750655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77783140937.

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 4278072750655 in words is "four trillion, two hundred seventy-eight billion, seventy-two million, seven hundred fifty thousand, six hundred fifty-five".