8554778752 has 32 divisors (see below), whose sum is σ = 18353705580. Its totient is φ = 3948358656.

The previous prime is 8554778719. The next prime is 8554778767. The reversal of 8554778752 is 2578774558.

It can be written as a sum of positive squares in 2 ways, for example, as 8104320576 + 450458176 = 90024^2 + 21224^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568883 + ... + 2572210.

Almost surely, 2^8554778752 is an apocalyptic number.

It is an amenable number.

8554778752 is an abundant number, since it is smaller than the sum of its proper divisors (9798926828).

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

8554778752 is a wasteful number, since it uses less digits than its factorization.

8554778752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141120 (or 5141108 counting only the distinct ones).

The product of its digits is 21952000, while the sum is 58.

The square root of 8554778752 is about 92492.0469662122. The cubic root of 8554778752 is about 2045.2022446106.

The spelling of 8554778752 in words is "eight billion, five hundred fifty-four million, seven hundred seventy-eight thousand, seven hundred fifty-two".