4878280161 has 12 divisors (see below), whose sum is σ = 7307382992. Its totient is φ = 3252186612.

The previous prime is 4878280157. The next prime is 4878280171. The reversal of 4878280161 is 1610828784.

4878280161 is a `hidden beast` number, since 487 + 8 + 2 + 8 + 0 + 161 = 666.

It is not a de Polignac number, because 4878280161 - 2² = 4878280157 is a prime.

It is a super-3 number, since 3×4878280161³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878280111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10037371 + ... + 10037856.

Almost surely, 2^4878280161 is an apocalyptic number.

It is an amenable number.

4878280161 is a deficient number, since it is larger than the sum of its proper divisors (2429102831).

4878280161 is an equidigital number, since it uses as much as digits as its factorization.

4878280161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075242 (or 20075230 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 4878280161 is about 69844.6859897015. The cubic root of 4878280161 is about 1695.9859343472.

The spelling of 4878280161 in words is "four billion, eight hundred seventy-eight million, two hundred eighty thousand, one hundred sixty-one".