8549320872 has 32 divisors (see below), whose sum is σ = 22110314400. Its totient is φ = 2751505344.

The previous prime is 8549320867. The next prime is 8549320903. The reversal of 8549320872 is 2780239458.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6141058 + ... + 6142449.

It is an arithmetic number, because the mean of its divisors is an integer number (690947325).

Almost surely, 2^8549320872 is an apocalyptic number.

It is an amenable number.

8549320872 is an abundant number, since it is smaller than the sum of its proper divisors (13560993528).

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

8549320872 is a wasteful number, since it uses less digits than its factorization.

8549320872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283545 (or 12283541 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 8549320872 is about 92462.5376679658. The cubic root of 8549320872 is about 2044.7672112237.

The spelling of 8549320872 in words is "eight billion, five hundred forty-nine million, three hundred twenty thousand, eight hundred seventy-two".