4278542547 has 8 divisors (see below), whose sum is σ = 5952754944. Its totient is φ = 2728345928.

The previous prime is 4278542519. The next prime is 4278542551. The reversal of 4278542547 is 7452458724.

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

It is not a de Polignac number, because 4278542547 - 2⁸ = 4278542291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4278542496 and 4278542505.

It is not an unprimeable number, because it can be changed into a prime (4278542557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31003863 + ... + 31004000.

It is an arithmetic number, because the mean of its divisors is an integer number (744094368).

Almost surely, 2^4278542547 is an apocalyptic number.

4278542547 is a deficient number, since it is larger than the sum of its proper divisors (1674212397).

4278542547 is a wasteful number, since it uses less digits than its factorization.

4278542547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62007889.

The product of its digits is 2508800, while the sum is 48.

The square root of 4278542547 is about 65410.5690771759. The cubic root of 4278542547 is about 1623.4239611088.

The spelling of 4278542547 in words is "four billion, two hundred seventy-eight million, five hundred forty-two thousand, five hundred forty-seven".