8608920571 has 4 divisors (see below), whose sum is σ = 8610777000. Its totient is φ = 8607064144.

The previous prime is 8608920451. The next prime is 8608920601. The reversal of 8608920571 is 1750298068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8608920571 - 2¹⁵ = 8608887803 is a prime.

It is a super-2 number, since 2×8608920571² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8608920371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921241 + ... + 930538.

It is an arithmetic number, because the mean of its divisors is an integer number (2152694250).

Almost surely, 2^8608920571 is an apocalyptic number.

8608920571 is a deficient number, since it is larger than the sum of its proper divisors (1856429).

8608920571 is a wasteful number, since it uses less digits than its factorization.

8608920571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856428.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 8608920571 is about 92784.2689845644. The cubic root of 8608920571 is about 2049.5077597439.

The spelling of 8608920571 in words is "eight billion, six hundred eight million, nine hundred twenty thousand, five hundred seventy-one".