8724249912 has 128 divisors (see below), whose sum is σ = 26499110400. Its totient is φ = 2337984000.

The previous prime is 8724249871. The next prime is 8724249953. The reversal of 8724249912 is 2199424278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8724249871) and next prime (8724249953).

It is a super-2 number, since 2×8724249912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308862 + ... + 335922.

It is an arithmetic number, because the mean of its divisors is an integer number (207024300).

Almost surely, 2^8724249912 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 8724249912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13249555200).

8724249912 is an abundant number, since it is smaller than the sum of its proper divisors (17774860488).

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

8724249912 is a wasteful number, since it uses less digits than its factorization.

8724249912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27197 (or 27193 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 8724249912 is about 93403.6932460382. The cubic root of 8724249912 is about 2058.6192645311.

The spelling of 8724249912 in words is "eight billion, seven hundred twenty-four million, two hundred forty-nine thousand, nine hundred twelve".