4878402771 has 16 divisors (see below), whose sum is σ = 7181354880. Its totient is φ = 2920984320.

The previous prime is 4878402733. The next prime is 4878402791. The reversal of 4878402771 is 1772048784.

It is not a de Polignac number, because 4878402771 - 2⁹ = 4878402259 is a prime.

It is a super-2 number, since 2×4878402771² = 47597627192200956882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4878402771.

It is not an unprimeable number, because it can be changed into a prime (4878402701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887806 + ... + 893283.

It is an arithmetic number, because the mean of its divisors is an integer number (448834680).

Almost surely, 2^4878402771 is an apocalyptic number.

4878402771 is a deficient number, since it is larger than the sum of its proper divisors (2302952109).

4878402771 is a wasteful number, since it uses less digits than its factorization.

4878402771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781186.

The product of its (nonzero) digits is 702464, while the sum is 48.

The square root of 4878402771 is about 69845.5637173901. The cubic root of 4878402771 is about 1696.0001431179. Note that the first 3 decimals are identical.

The spelling of 4878402771 in words is "four billion, eight hundred seventy-eight million, four hundred two thousand, seven hundred seventy-one".