8553427992 has 96 divisors (see below), whose sum is σ = 23953812480. Its totient is φ = 2754440640.

The previous prime is 8553427969. The next prime is 8553428021. The reversal of 8553427992 is 2997243558.

8553427992 is a `hidden beast` number, since 85 + 53 + 427 + 9 + 92 = 666.

It is a super-2 number, since 2×8553427992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1441143 + ... + 1447065.

It is an arithmetic number, because the mean of its divisors is an integer number (249518880).

Almost surely, 2^8553427992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8553427992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11976906240).

8553427992 is an abundant number, since it is smaller than the sum of its proper divisors (15400384488).

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

8553427992 is a wasteful number, since it uses less digits than its factorization.

8553427992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613 (or 6606 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 8553427992 is about 92484.7446447251. The cubic root of 8553427992 is about 2045.0945962861.

It can be divided in two parts, 85534 and 27992, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 8553427992 in words is "eight billion, five hundred fifty-three million, four hundred twenty-seven thousand, nine hundred ninety-two".