4878640801 has 2 divisors, whose sum is σ = 4878640802. Its totient is φ = 4878640800.

The previous prime is 4878640787. The next prime is 4878640847. The reversal of 4878640801 is 1080468784.

It is a happy number.

It is an a-pointer prime, because the next prime (4878640847) can be obtained adding 4878640801 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3535491600 + 1343149201 = 59460^2 + 36649^2 .

It is a cyclic number.

It is not a de Polignac number, because 4878640801 - 2⁹ = 4878640289 is a prime.

It is a super-2 number, since 2×4878640801² = 47602272130363843202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4878640861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439320400 + 2439320401.

It is an arithmetic number, because the mean of its divisors is an integer number (2439320401).

Almost surely, 2^4878640801 is an apocalyptic number.

It is an amenable number.

4878640801 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878640801 is an equidigital number, since it uses as much as digits as its factorization.

4878640801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 4878640801 is about 69847.2676702532. The cubic root of 4878640801 is about 1696.0277267600.

The spelling of 4878640801 in words is "four billion, eight hundred seventy-eight million, six hundred forty thousand, eight hundred one".