427108851558544 has 15 divisors (see below), whose sum is σ = 827523560060953. Its totient is φ = 213554384446048.

The previous prime is 427108851558469. The next prime is 427108851558569. The reversal of 427108851558544 is 445855158801724.

The square root of 427108851558544 is 20666612.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56526639296400 + 370582212262144 = 7518420^2 + 19250512^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427108851558544.

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 2 ways as a sum of consecutive naturals, for example, 80083122 + ... + 85249774.

Almost surely, 2^{427108851558544} is an apocalyptic number.

427108851558544 is the 20666612-nd square number.

It is an amenable number.

427108851558544 is a deficient number, since it is larger than the sum of its proper divisors (400414708502409).

427108851558544 is an frugal number, since it uses more digits than its factorization.

427108851558544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333314 (or 5166655 counting only the distinct ones).

The product of its (nonzero) digits is 286720000, while the sum is 67.

The spelling of 427108851558544 in words is "four hundred twenty-seven trillion, one hundred eight billion, eight hundred fifty-one million, five hundred fifty-eight thousand, five hundred forty-four".