861106008 has 48 divisors (see below), whose sum is σ = 2504240280. Its totient is φ = 246029952.

The previous prime is 861105989. The next prime is 861106009. The reversal of 861106008 is 800601168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861106009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364941 + ... + 367292.

Almost surely, 2^861106008 is an apocalyptic number.

It is an amenable number.

861106008 is an abundant number, since it is smaller than the sum of its proper divisors (1643134272).

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

861106008 is a wasteful number, since it uses less digits than its factorization.

861106008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732256 (or 732245 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 861106008 is about 29344.6078181324. The cubic root of 861106008 is about 951.3760328772.

The spelling of 861106008 in words is "eight hundred sixty-one million, one hundred six thousand, eight".