8631677312 has 64 divisors (see below), whose sum is σ = 17688281040. Its totient is φ = 4192634880.

The previous prime is 8631677309. The next prime is 8631677339. The reversal of 8631677312 is 2137761368.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4597718 + ... + 4599594.

Almost surely, 2^8631677312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8631677312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8844140520).

8631677312 is an abundant number, since it is smaller than the sum of its proper divisors (9056603728).

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

8631677312 is a wasteful number, since it uses less digits than its factorization.

8631677312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2887 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 8631677312 is about 92906.8205892334. The cubic root of 8631677312 is about 2051.3120541425.

The spelling of 8631677312 in words is "eight billion, six hundred thirty-one million, six hundred seventy-seven thousand, three hundred twelve".