8561682008 has 16 divisors (see below), whose sum is σ = 17512531560. Its totient is φ = 3891673600.

The previous prime is 8561681971. The next prime is 8561682061. The reversal of 8561682008 is 8002861658.

It is a super-2 number, since 2×8561682008² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 8561682008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48645833 + ... + 48646008.

Almost surely, 2^8561682008 is an apocalyptic number.

8561682008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8561682008 is an abundant number, since it is smaller than the sum of its proper divisors (8950849552).

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

8561682008 is a wasteful number, since it uses less digits than its factorization.

8561682008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97291858 (or 97291854 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 8561682008 is about 92529.3575466727. The cubic root of 8561682008 is about 2045.7522202103.

The spelling of 8561682008 in words is "eight billion, five hundred sixty-one million, six hundred eighty-two thousand, eight".