427228744587 has 8 divisors (see below), whose sum is σ = 569713397760. Its totient is φ = 284781627240.

The previous prime is 427228744549. The next prime is 427228744703. The reversal of 427228744587 is 785447822724.

427228744587 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427228744587 - 2¹¹ = 427228742539 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 427228744587.

It is not an unprimeable number, because it can be changed into a prime (427228749587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9357387 + ... + 9402932.

It is an arithmetic number, because the mean of its divisors is an integer number (71214174720).

Almost surely, 2^427228744587 is an apocalyptic number.

427228744587 is a deficient number, since it is larger than the sum of its proper divisors (142484653173).

427228744587 is a wasteful number, since it uses less digits than its factorization.

427228744587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18767913.

The product of its digits is 56197120, while the sum is 60.

The spelling of 427228744587 in words is "four hundred twenty-seven billion, two hundred twenty-eight million, seven hundred forty-four thousand, five hundred eighty-seven".