8554820538 has 16 divisors (see below), whose sum is σ = 18665063136. Its totient is φ = 2592369840.

The previous prime is 8554820497. The next prime is 8554820539. The reversal of 8554820538 is 8350284558.

It is not an unprimeable number, because it can be changed into a prime (8554820539) 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, 64809181 + ... + 64809312.

It is an arithmetic number, because the mean of its divisors is an integer number (1166566446).

Almost surely, 2^8554820538 is an apocalyptic number.

8554820538 is an abundant number, since it is smaller than the sum of its proper divisors (10110242598).

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

8554820538 is a wasteful number, since it uses less digits than its factorization.

8554820538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129618509.

The product of its (nonzero) digits is 1536000, while the sum is 48.

The square root of 8554820538 is about 92492.2728556283. The cubic root of 8554820538 is about 2045.2055745499.

The spelling of 8554820538 in words is "eight billion, five hundred fifty-four million, eight hundred twenty thousand, five hundred thirty-eight".