8691634724712 has 128 divisors (see below), whose sum is σ = 22804079800320. Its totient is φ = 2755333152000.

The previous prime is 8691634724711. The next prime is 8691634724761. The reversal of 8691634724712 is 2174274361968.

It is not an unprimeable number, because it can be changed into a prime (8691634724711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 768417537 + ... + 768428847.

It is an arithmetic number, because the mean of its divisors is an integer number (178156873440).

Almost surely, 2^{8691634724712} 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 8691634724712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11402039900160).

8691634724712 is an abundant number, since it is smaller than the sum of its proper divisors (14112445075608).

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

8691634724712 is a wasteful number, since it uses less digits than its factorization.

8691634724712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19215 (or 19211 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 8691634724712 in words is "eight trillion, six hundred ninety-one billion, six hundred thirty-four million, seven hundred twenty-four thousand, seven hundred twelve".