8505465544 has 32 divisors (see below), whose sum is σ = 16369879680. Its totient is φ = 4141084864.

The previous prime is 8505465509. The next prime is 8505465557. The reversal of 8505465544 is 4455645058.

It is a junction number, because it is equal to n+sod(n) for n = 8505465494 and 8505465503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16659 + ... + 131485.

It is an arithmetic number, because the mean of its divisors is an integer number (511558740).

Almost surely, 2^8505465544 is an apocalyptic number.

It is an amenable number.

8505465544 is a deficient number, since it is larger than the sum of its proper divisors (7864414136).

8505465544 is a wasteful number, since it uses less digits than its factorization.

8505465544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115077 (or 115073 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 46.

The square root of 8505465544 is about 92225.0808836729. The cubic root of 8505465544 is about 2041.2648781307.

The spelling of 8505465544 in words is "eight billion, five hundred five million, four hundred sixty-five thousand, five hundred forty-four".