8562749500 has 48 divisors (see below), whose sum is σ = 18843945120. Its totient is φ = 3398928000.

The previous prime is 8562749497. The next prime is 8562749501. The reversal of 8562749500 is 59472658.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8562749501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136 + ... + 130864.

It is an arithmetic number, because the mean of its divisors is an integer number (392582190).

Almost surely, 2^8562749500 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 8562749500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9421972560).

8562749500 is an abundant number, since it is smaller than the sum of its proper divisors (10281195620).

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

8562749500 is a wasteful number, since it uses less digits than its factorization.

8562749500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130879 (or 130867 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 8562749500 is about 92535.1257631393. The cubic root of 8562749500 is about 2045.8372398506.

The spelling of 8562749500 in words is "eight billion, five hundred sixty-two million, seven hundred forty-nine thousand, five hundred".