8917351272 has 24 divisors (see below), whose sum is σ = 24151159890. Its totient is φ = 2972450400.

The previous prime is 8917351249. The next prime is 8917351277. The reversal of 8917351272 is 2721537198.

8917351272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8329482756 + 587868516 = 91266^2 + 24246^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (8917351277) 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 5 ways as a sum of consecutive naturals, for example, 61925979 + ... + 61926122.

Almost surely, 2^8917351272 is an apocalyptic number.

It is an amenable number.

8917351272 is an abundant number, since it is smaller than the sum of its proper divisors (15233808618).

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

8917351272 is a wasteful number, since it uses less digits than its factorization.

8917351272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123852113 (or 123852106 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 8917351272 is about 94431.7281002524. The cubic root of 8917351272 is about 2073.6969626745.

The spelling of 8917351272 in words is "eight billion, nine hundred seventeen million, three hundred fifty-one thousand, two hundred seventy-two".