8545247500 has 120 divisors (see below), whose sum is σ = 19600900704. Its totient is φ = 3252480000.

The previous prime is 8545247497. The next prime is 8545247509. The reversal of 8545247500 is 57425458.

It is not an unprimeable number, because it can be changed into a prime (8545247509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20297290 + ... + 20297710.

Almost surely, 2^8545247500 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 8545247500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9800450352).

8545247500 is an abundant number, since it is smaller than the sum of its proper divisors (11055653204).

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

8545247500 is a wasteful number, since it uses less digits than its factorization.

8545247500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 8545247500 is about 92440.5078956190. The cubic root of 8545247500 is about 2044.4424126892.

The spelling of 8545247500 in words is "eight billion, five hundred forty-five million, two hundred forty-seven thousand, five hundred".