8260979889 has 8 divisors (see below), whose sum is σ = 11018034720. Its totient is φ = 5505622496.

The previous prime is 8260979861. The next prime is 8260979893. The reversal of 8260979889 is 9889790628.

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

It is a cyclic number.

It is not a de Polignac number, because 8260979889 - 2⁸ = 8260979633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8260979819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412959 + ... + 432500.

It is an arithmetic number, because the mean of its divisors is an integer number (1377254340).

Almost surely, 2^8260979889 is an apocalyptic number.

It is an amenable number.

8260979889 is a deficient number, since it is larger than the sum of its proper divisors (2757054831).

8260979889 is a wasteful number, since it uses less digits than its factorization.

8260979889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848719.

The product of its (nonzero) digits is 31352832, while the sum is 66.

The square root of 8260979889 is about 90889.9328253685. The cubic root of 8260979889 is about 2021.5160243797.

The spelling of 8260979889 in words is "eight billion, two hundred sixty million, nine hundred seventy-nine thousand, eight hundred eighty-nine".