8478645141 has 4 divisors (see below), whose sum is σ = 11304860192. Its totient is φ = 5652430092.

The previous prime is 8478645137. The next prime is 8478645169. The reversal of 8478645141 is 1415468748.

8478645141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8478645141 - 2² = 8478645137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478645121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413107521 + ... + 1413107526.

It is an arithmetic number, because the mean of its divisors is an integer number (2826215048).

Almost surely, 2^8478645141 is an apocalyptic number.

It is an amenable number.

8478645141 is a deficient number, since it is larger than the sum of its proper divisors (2826215051).

8478645141 is a wasteful number, since it uses less digits than its factorization.

8478645141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826215050.

The product of its digits is 860160, while the sum is 48.

The square root of 8478645141 is about 92079.5587576309. The cubic root of 8478645141 is about 2039.1170359461.

The spelling of 8478645141 in words is "eight billion, four hundred seventy-eight million, six hundred forty-five thousand, one hundred forty-one".