8478173045 has 16 divisors (see below), whose sum is σ = 10415760960. Its totient is φ = 6621398784.

The previous prime is 8478173017. The next prime is 8478173047. The reversal of 8478173045 is 5403718748.

It is a happy number.

8478173045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8478173045 - 2⁸ = 8478172789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478173047) 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, 459437 + ... + 477533.

It is an arithmetic number, because the mean of its divisors is an integer number (650985060).

Almost surely, 2^8478173045 is an apocalyptic number.

It is an amenable number.

8478173045 is a deficient number, since it is larger than the sum of its proper divisors (1937587915).

8478173045 is a wasteful number, since it uses less digits than its factorization.

8478173045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20324.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 8478173045 is about 92076.9951996697. The cubic root of 8478173045 is about 2039.0791888276.

The spelling of 8478173045 in words is "eight billion, four hundred seventy-eight million, one hundred seventy-three thousand, forty-five".