4878746387 has 2 divisors, whose sum is σ = 4878746388. Its totient is φ = 4878746386.

The previous prime is 4878746381. The next prime is 4878746399. The reversal of 4878746387 is 7836478784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4878746387 - 2⁴ = 4878746371 is a prime.

It is not a weakly prime, because it can be changed into another prime (4878746381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439373193 + 2439373194.

It is an arithmetic number, because the mean of its divisors is an integer number (2439373194).

Almost surely, 2^4878746387 is an apocalyptic number.

4878746387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878746387 is an equidigital number, since it uses as much as digits as its factorization.

4878746387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50577408, while the sum is 62.

The square root of 4878746387 is about 69848.0235010269. The cubic root of 4878746387 is about 1696.0399621004.

The spelling of 4878746387 in words is "four billion, eight hundred seventy-eight million, seven hundred forty-six thousand, three hundred eighty-seven".