4278278458707 has 16 divisors (see below), whose sum is σ = 6223236324480. Its totient is φ = 2592776936000.

The previous prime is 4278278458669. The next prime is 4278278458781. The reversal of 4278278458707 is 7078548728724.

It is a cyclic number.

It is not a de Polignac number, because 4278278458707 - 2⁷ = 4278278458579 is a prime.

It is a super-2 number, since 2×4278278458707² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4278278458787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245482 + ... + 3687647.

It is an arithmetic number, because the mean of its divisors is an integer number (388952270280).

Almost surely, 2^{4278278458707} is an apocalyptic number.

4278278458707 is a deficient number, since it is larger than the sum of its proper divisors (1944957865773).

4278278458707 is a wasteful number, since it uses less digits than its factorization.

4278278458707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954994.

The product of its (nonzero) digits is 393379840, while the sum is 69.

The spelling of 4278278458707 in words is "four trillion, two hundred seventy-eight billion, two hundred seventy-eight million, four hundred fifty-eight thousand, seven hundred seven".