8613812412 has 36 divisors (see below), whose sum is σ = 22919795080. Its totient is φ = 2720151072.

The previous prime is 8613812381. The next prime is 8613812423. The reversal of 8613812412 is 2142183168.

8613812412 is a `hidden beast` number, since 8 + 613 + 8 + 1 + 24 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6295963 + ... + 6297330.

Almost surely, 2^8613812412 is an apocalyptic number.

It is an amenable number.

8613812412 is an abundant number, since it is smaller than the sum of its proper divisors (14305982668).

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

8613812412 is a wasteful number, since it uses less digits than its factorization.

8613812412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12593322 (or 12593317 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8613812412 is about 92810.6266113962. The cubic root of 8613812412 is about 2049.8958830326.

The spelling of 8613812412 in words is "eight billion, six hundred thirteen million, eight hundred twelve thousand, four hundred twelve".