8664473545 has 16 divisors (see below), whose sum is σ = 12796761600. Its totient is φ = 5484325824.

The previous prime is 8664473539. The next prime is 8664473563. The reversal of 8664473545 is 5453744668.

It is a cyclic number.

It is not a de Polignac number, because 8664473545 - 2⁵ = 8664473513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8664473492 and 8664473501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9520945 + ... + 9521854.

It is an arithmetic number, because the mean of its divisors is an integer number (799797600).

Almost surely, 2^8664473545 is an apocalyptic number.

It is an amenable number.

8664473545 is a deficient number, since it is larger than the sum of its proper divisors (4132288055).

8664473545 is a wasteful number, since it uses less digits than its factorization.

8664473545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19042824.

The product of its digits is 9676800, while the sum is 52.

The square root of 8664473545 is about 93083.1539270130. The cubic root of 8664473545 is about 2053.9067712688.

The spelling of 8664473545 in words is "eight billion, six hundred sixty-four million, four hundred seventy-three thousand, five hundred forty-five".