284472889577 has 2 divisors, whose sum is σ = 284472889578. Its totient is φ = 284472889576.

The previous prime is 284472889559. The next prime is 284472889619. The reversal of 284472889577 is 775988274482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272655242896 + 11817646681 = 522164^2 + 108709^2 .

It is a cyclic number.

It is not a de Polignac number, because 284472889577 - 2¹² = 284472885481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284472889577.

It is not a weakly prime, because it can be changed into another prime (284472880577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142236444788 + 142236444789.

It is an arithmetic number, because the mean of its divisors is an integer number (142236444789).

Almost surely, 2^284472889577 is an apocalyptic number.

It is an amenable number.

284472889577 is a deficient number, since it is larger than the sum of its proper divisors (1).

284472889577 is an equidigital number, since it uses as much as digits as its factorization.

284472889577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 505774080, while the sum is 71.

The spelling of 284472889577 in words is "two hundred eighty-four billion, four hundred seventy-two million, eight hundred eighty-nine thousand, five hundred seventy-seven".