861112484 has 12 divisors (see below), whose sum is σ = 1507153200. Its totient is φ = 430497288.

The previous prime is 861112429. The next prime is 861112487. The reversal of 861112484 is 484211168.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (861112487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45287 + ... + 61425.

It is an arithmetic number, because the mean of its divisors is an integer number (125596100).

Almost surely, 2^861112484 is an apocalyptic number.

It is an amenable number.

861112484 is a deficient number, since it is larger than the sum of its proper divisors (646040716).

861112484 is a wasteful number, since it uses less digits than its factorization.

861112484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29482 (or 29480 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 861112484 is about 29344.7181618771. The cubic root of 861112484 is about 951.3784178316.

The spelling of 861112484 in words is "eight hundred sixty-one million, one hundred twelve thousand, four hundred eighty-four".