4878851 has 2 divisors, whose sum is σ = 4878852. Its totient is φ = 4878850.

The previous prime is 4878827. The next prime is 4878869. The reversal of 4878851 is 1588784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4878851 - 2²² = 684547 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4878799 and 4878808.

It is not a weakly prime, because it can be changed into another prime (4878821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439425 + 2439426.

It is an arithmetic number, because the mean of its divisors is an integer number (2439426).

Almost surely, 2^4878851 is an apocalyptic number.

4878851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878851 is an equidigital number, since it uses as much as digits as its factorization.

4878851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 41.

The square root of 4878851 is about 2208.8121241971. The cubic root of 4878851 is about 169.6052084515.

The spelling of 4878851 in words is "four million, eight hundred seventy-eight thousand, eight hundred fifty-one".