8671391232 has 320 divisors, whose sum is σ = 27367296000. Its totient is φ = 2438553600.

The previous prime is 8671391203. The next prime is 8671391237. The reversal of 8671391232 is 2321931768.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8671391237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57426357 + ... + 57426507.

It is an arithmetic number, because the mean of its divisors is an integer number (85522800).

Almost surely, 2^8671391232 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 8671391232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13683648000).

8671391232 is an abundant number, since it is smaller than the sum of its proper divisors (18695904768).

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

8671391232 is a wasteful number, since it uses less digits than its factorization.

8671391232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 272 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 8671391232 is about 93120.3051541392. The cubic root of 8671391232 is about 2054.4532366519.

The spelling of 8671391232 in words is "eight billion, six hundred seventy-one million, three hundred ninety-one thousand, two hundred thirty-two".