8631712480 has 96 divisors (see below), whose sum is σ = 20622228480. Its totient is φ = 3413975040.

The previous prime is 8631712471. The next prime is 8631712517. The reversal of 8631712480 is 842171368.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8554216 + ... + 8555224.

It is an arithmetic number, because the mean of its divisors is an integer number (214814880).

Almost surely, 2^8631712480 is an apocalyptic number.

8631712480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8631712480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10311114240).

8631712480 is an abundant number, since it is smaller than the sum of its proper divisors (11990516000).

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

8631712480 is a wasteful number, since it uses less digits than its factorization.

8631712480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 8631712480 is about 92907.0098539394. The cubic root of 8631712480 is about 2051.3148400223.

The spelling of 8631712480 in words is "eight billion, six hundred thirty-one million, seven hundred twelve thousand, four hundred eighty".