8539956980 has 24 divisors (see below), whose sum is σ = 18877800480. Its totient is φ = 3236194080.

The previous prime is 8539956977. The next prime is 8539956991. The reversal of 8539956980 is 896599358.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11236406 + ... + 11237165.

It is an arithmetic number, because the mean of its divisors is an integer number (786575020).

Almost surely, 2^8539956980 is an apocalyptic number.

It is an amenable number.

8539956980 is an abundant number, since it is smaller than the sum of its proper divisors (10337843500).

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

8539956980 is a wasteful number, since it uses less digits than its factorization.

8539956980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22473599 (or 22473597 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 62.

The square root of 8539956980 is about 92411.8876552146. The cubic root of 8539956980 is about 2044.0204082786.

The spelling of 8539956980 in words is "eight billion, five hundred thirty-nine million, nine hundred fifty-six thousand, nine hundred eighty".