8561217675 has 12 divisors (see below), whose sum is σ = 14154546680. Its totient is φ = 4565982720.

The previous prime is 8561217661. The next prime is 8561217719. The reversal of 8561217675 is 5767121658.

It is not a de Polignac number, because 8561217675 - 2⁷ = 8561217547 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57074710 + ... + 57074859.

Almost surely, 2^8561217675 is an apocalyptic number.

8561217675 is a deficient number, since it is larger than the sum of its proper divisors (5593329005).

8561217675 is a wasteful number, since it uses less digits than its factorization.

8561217675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114149582 (or 114149577 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 8561217675 is about 92526.8484008831. The cubic root of 8561217675 is about 2045.7152365336.

The spelling of 8561217675 in words is "eight billion, five hundred sixty-one million, two hundred seventeen thousand, six hundred seventy-five".