8539956996 has 24 divisors (see below), whose sum is σ = 19939990560. Its totient is φ = 2844734592.

The previous prime is 8539956991. The next prime is 8539957007. The reversal of 8539956996 is 6996599358.

It is a self number, because there is not a number n which added to its sum of digits gives 8539956996.

It is not an unprimeable number, because it can be changed into a prime (8539956991) 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, 221106 + ... + 256841.

It is an arithmetic number, because the mean of its divisors is an integer number (830832940).

Almost surely, 2^8539956996 is an apocalyptic number.

It is an amenable number.

8539956996 is an abundant number, since it is smaller than the sum of its proper divisors (11400033564).

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

8539956996 is a wasteful number, since it uses less digits than its factorization.

8539956996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479443 (or 479441 counting only the distinct ones).

The product of its digits is 141717600, while the sum is 69.

The square root of 8539956996 is about 92411.8877417835. The cubic root of 8539956996 is about 2044.0204095552.

The spelling of 8539956996 in words is "eight billion, five hundred thirty-nine million, nine hundred fifty-six thousand, nine hundred ninety-six".