8749864272 has 20 divisors (see below), whose sum is σ = 22603816160. Its totient is φ = 2916621408.

The previous prime is 8749864241. The next prime is 8749864273. The reversal of 8749864272 is 2724689478.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749864273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91144372 + ... + 91144467.

It is an arithmetic number, because the mean of its divisors is an integer number (1130190808).

Almost surely, 2^8749864272 is an apocalyptic number.

It is an amenable number.

8749864272 is an abundant number, since it is smaller than the sum of its proper divisors (13853951888).

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

8749864272 is a wasteful number, since it uses less digits than its factorization.

8749864272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182288850 (or 182288844 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The square root of 8749864272 is about 93540.7091698582. The cubic root of 8749864272 is about 2060.6319951099.

The spelling of 8749864272 in words is "eight billion, seven hundred forty-nine million, eight hundred sixty-four thousand, two hundred seventy-two".