8247449700 has 864 divisors, whose sum is σ = 34554038400. Its totient is φ = 1672151040.

The previous prime is 8247449671. The next prime is 8247449701. The reversal of 8247449700 is 79447428.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8247449701) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 42732804 + ... + 42732996.

It is an arithmetic number, because the mean of its divisors is an integer number (39993100).

Almost surely, 2^8247449700 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 8247449700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17277019200).

8247449700 is an abundant number, since it is smaller than the sum of its proper divisors (26306588700).

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

8247449700 is a wasteful number, since it uses less digits than its factorization.

8247449700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 8247449700 is about 90815.4705983512. The cubic root of 8247449700 is about 2020.4117792687.

The spelling of 8247449700 in words is "eight billion, two hundred forty-seven million, four hundred forty-nine thousand, seven hundred".