8654217609 has 16 divisors (see below), whose sum is σ = 11718879552. Its totient is φ = 5679630528.

The previous prime is 8654217587. The next prime is 8654217629. The reversal of 8654217609 is 9067124568.

It is not a de Polignac number, because 8654217609 - 2¹⁷ = 8654086537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8654217629) 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, 310867 + ... + 337559.

It is an arithmetic number, because the mean of its divisors is an integer number (732429972).

Almost surely, 2^8654217609 is an apocalyptic number.

It is an amenable number.

8654217609 is a deficient number, since it is larger than the sum of its proper divisors (3064661943).

8654217609 is a wasteful number, since it uses less digits than its factorization.

8654217609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28376.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 8654217609 is about 93028.0474319439. The cubic root of 8654217609 is about 2053.0960640733.

The spelling of 8654217609 in words is "eight billion, six hundred fifty-four million, two hundred seventeen thousand, six hundred nine".