8975340639 has 12 divisors (see below), whose sum is σ = 12965224272. Its totient is φ = 5983171200.

The previous prime is 8975340617. The next prime is 8975340643. The reversal of 8975340639 is 9360435798.

It is not a de Polignac number, because 8975340639 - 2¹¹ = 8975338591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8975344639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205359 + ... + 245199.

It is an arithmetic number, because the mean of its divisors is an integer number (1080435356).

Almost surely, 2^8975340639 is an apocalyptic number.

8975340639 is a deficient number, since it is larger than the sum of its proper divisors (3989883633).

8975340639 is a wasteful number, since it uses less digits than its factorization.

8975340639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64878 (or 64875 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 8975340639 is about 94738.2744143042. The cubic root of 8975340639 is about 2078.1823246731.

The spelling of 8975340639 in words is "eight billion, nine hundred seventy-five million, three hundred forty thousand, six hundred thirty-nine".