8505061544 has 32 divisors (see below), whose sum is σ = 18813043200. Its totient is φ = 3527444160.

The previous prime is 8505061519. The next prime is 8505061571. The reversal of 8505061544 is 4451605058.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8505061498 and 8505061507.

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, 2447879 + ... + 2451350.

It is an arithmetic number, because the mean of its divisors is an integer number (587907600).

Almost surely, 2^8505061544 is an apocalyptic number.

It is an amenable number.

8505061544 is an abundant number, since it is smaller than the sum of its proper divisors (10307981656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505061544 is a wasteful number, since it uses less digits than its factorization.

8505061544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899273 (or 4899269 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 8505061544 is about 92222.8905641110. The cubic root of 8505061544 is about 2041.2325583608.

The spelling of 8505061544 in words is "eight billion, five hundred five million, sixty-one thousand, five hundred forty-four".