4278255717803 has 4 divisors (see below), whose sum is σ = 4320614685408. Its totient is φ = 4235896750200.

The previous prime is 4278255717751. The next prime is 4278255717863. The reversal of 4278255717803 is 3087175528724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4278255717803 is a prime.

It is a super-2 number, since 2×4278255717803² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4278255717863) 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, 21179483651 + ... + 21179483852.

It is an arithmetic number, because the mean of its divisors is an integer number (1080153671352).

Almost surely, 2^{4278255717803} is an apocalyptic number.

4278255717803 is a deficient number, since it is larger than the sum of its proper divisors (42358967605).

4278255717803 is a wasteful number, since it uses less digits than its factorization.

4278255717803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42358967604.

The product of its (nonzero) digits is 26342400, while the sum is 59.

The spelling of 4278255717803 in words is "four trillion, two hundred seventy-eight billion, two hundred fifty-five million, seven hundred seventeen thousand, eight hundred three".