8723481636 has 12 divisors (see below), whose sum is σ = 20354790512. Its totient is φ = 2907827208.

The previous prime is 8723481631. The next prime is 8723481659. The reversal of 8723481636 is 6361843278.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (8723481631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363478390 + ... + 363478413.

Almost surely, 2^8723481636 is an apocalyptic number.

It is an amenable number.

8723481636 is an abundant number, since it is smaller than the sum of its proper divisors (11631308876).

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

8723481636 is a wasteful number, since it uses less digits than its factorization.

8723481636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726956810 (or 726956808 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 8723481636 is about 93399.5804915632. The cubic root of 8723481636 is about 2058.5588339604.

The spelling of 8723481636 in words is "eight billion, seven hundred twenty-three million, four hundred eighty-one thousand, six hundred thirty-six".