4278912715 has 48 divisors (see below), whose sum is σ = 6494443200. Its totient is φ = 2649081600.

The previous prime is 4278912713. The next prime is 4278912731. The reversal of 4278912715 is 5172198724.

4278912715 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4278912715 - 2¹ = 4278912713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4278912713) 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, 627625 + ... + 634405.

It is an arithmetic number, because the mean of its divisors is an integer number (135300900).

Almost surely, 2^4278912715 is an apocalyptic number.

4278912715 is a deficient number, since it is larger than the sum of its proper divisors (2215530485).

4278912715 is a wasteful number, since it uses less digits than its factorization.

4278912715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964 (or 6953 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The square root of 4278912715 is about 65413.3985892799. The cubic root of 4278912715 is about 1623.4707778511.

The spelling of 4278912715 in words is "four billion, two hundred seventy-eight million, nine hundred twelve thousand, seven hundred fifteen".