4878854517 has 4 divisors (see below), whose sum is σ = 6505139360. Its totient is φ = 3252569676.

The previous prime is 4878854509. The next prime is 4878854537. The reversal of 4878854517 is 7154588784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4878854517 - 2³ = 4878854509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878854537) 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 3 ways as a sum of consecutive naturals, for example, 813142417 + ... + 813142422.

It is an arithmetic number, because the mean of its divisors is an integer number (1626284840).

Almost surely, 2^4878854517 is an apocalyptic number.

It is an amenable number.

4878854517 is a deficient number, since it is larger than the sum of its proper divisors (1626284843).

4878854517 is a wasteful number, since it uses less digits than its factorization.

4878854517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626284842.

The product of its digits is 10035200, while the sum is 57.

The square root of 4878854517 is about 69848.7975343885. The cubic root of 4878854517 is about 1696.0524920573.

The spelling of 4878854517 in words is "four billion, eight hundred seventy-eight million, eight hundred fifty-four thousand, five hundred seventeen".