4878278115 has 8 divisors (see below), whose sum is σ = 7805245008. Its totient is φ = 2601748320.

The previous prime is 4878278087. The next prime is 4878278117. The reversal of 4878278115 is 5118728784.

4878278115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4878278115 - 2⁶ = 4878278051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4878278117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162609256 + ... + 162609285.

It is an arithmetic number, because the mean of its divisors is an integer number (975655626).

Almost surely, 2^4878278115 is an apocalyptic number.

4878278115 is a deficient number, since it is larger than the sum of its proper divisors (2926966893).

4878278115 is a wasteful number, since it uses less digits than its factorization.

4878278115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325218549.

The product of its digits is 1003520, while the sum is 51.

The square root of 4878278115 is about 69844.6713429163. The cubic root of 4878278115 is about 1695.9856972426.

The spelling of 4878278115 in words is "four billion, eight hundred seventy-eight million, two hundred seventy-eight thousand, one hundred fifteen".