4278536768718 has 96 divisors (see below), whose sum is σ = 10333343124000. Its totient is φ = 1271482748928.

The previous prime is 4278536768683. The next prime is 4278536768719. The reversal of 4278536768718 is 8178676358724.

4278536768718 is a `hidden beast` number, since 4 + 2 + 7 + 8 + 536 + 7 + 6 + 87 + 1 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278536768719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52360758 + ... + 52442406.

It is an arithmetic number, because the mean of its divisors is an integer number (107638990875).

Almost surely, 2^{4278536768718} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278536768718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5166671562000).

4278536768718 is an abundant number, since it is smaller than the sum of its proper divisors (6054806355282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4278536768718 is a wasteful number, since it uses less digits than its factorization.

4278536768718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90706 (or 90703 counting only the distinct ones).

The product of its digits is 758661120, while the sum is 72.

The spelling of 4278536768718 in words is "four trillion, two hundred seventy-eight billion, five hundred thirty-six million, seven hundred sixty-eight thousand, seven hundred eighteen".