8554816977 has 16 divisors (see below), whose sum is σ = 13072851840. Its totient is φ = 4874614272.

The previous prime is 8554816883. The next prime is 8554816979. The reversal of 8554816977 is 7796184558.

It is not a de Polignac number, because 8554816977 - 2¹¹ = 8554814929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8554816977.

It is not an unprimeable number, because it can be changed into a prime (8554816979) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 569602 + ... + 584427.

It is an arithmetic number, because the mean of its divisors is an integer number (817053240).

Almost surely, 2^8554816977 is an apocalyptic number.

It is an amenable number.

8554816977 is a deficient number, since it is larger than the sum of its proper divisors (4518034863).

8554816977 is a wasteful number, since it uses less digits than its factorization.

8554816977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154392.

The product of its digits is 16934400, while the sum is 60.

The square root of 8554816977 is about 92492.2536053696. The cubic root of 8554816977 is about 2045.2052907731.

The spelling of 8554816977 in words is "eight billion, five hundred fifty-four million, eight hundred sixteen thousand, nine hundred seventy-seven".