8975139729 has 8 divisors (see below), whose sum is σ = 12018213792. Its totient is φ = 5957746080.

The previous prime is 8975139709. The next prime is 8975139731. The reversal of 8975139729 is 9279315798.

8975139729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8975139729 - 2⁷ = 8975139601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8975139709) 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 7 ways as a sum of consecutive naturals, for example, 6419287 + ... + 6420684.

It is an arithmetic number, because the mean of its divisors is an integer number (1502276724).

Almost surely, 2^8975139729 is an apocalyptic number.

It is an amenable number.

8975139729 is a deficient number, since it is larger than the sum of its proper divisors (3043074063).

8975139729 is a wasteful number, since it uses less digits than its factorization.

8975139729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840207.

The product of its digits is 8573040, while the sum is 60.

The square root of 8975139729 is about 94737.2140660680. The cubic root of 8975139729 is about 2078.1668180852.

The spelling of 8975139729 in words is "eight billion, nine hundred seventy-five million, one hundred thirty-nine thousand, seven hundred twenty-nine".