8553860743428 has 576 divisors, whose sum is σ = 30016651069440. Its totient is φ = 2045576332800.

The previous prime is 8553860743423. The next prime is 8553860743447. The reversal of 8553860743428 is 8243470683558.

8553860743428 is a `hidden beast` number, since 8 + 5 + 538 + 6 + 0 + 74 + 3 + 4 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8553860743423) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 557937723 + ... + 557953053.

It is an arithmetic number, because the mean of its divisors is an integer number (52112241440).

Almost surely, 2^{8553860743428} 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 8553860743428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15008325534720).

8553860743428 is an abundant number, since it is smaller than the sum of its proper divisors (21462790326012).

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

8553860743428 is a wasteful number, since it uses less digits than its factorization.

8553860743428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15785 (or 15764 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 63.

The spelling of 8553860743428 in words is "eight trillion, five hundred fifty-three billion, eight hundred sixty million, seven hundred forty-three thousand, four hundred twenty-eight".