587478235217 has 4 divisors (see below), whose sum is σ = 603356025396. Its totient is φ = 571600445040.

The previous prime is 587478235213. The next prime is 587478235219. The reversal of 587478235217 is 712532874785.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 712532874785 = 5 ⋅142506574957.

It can be written as a sum of positive squares in 2 ways, for example, as 527941747216 + 59536488001 = 726596^2 + 244001^2 .

It is a cyclic number.

It is not a de Polignac number, because 587478235217 - 2² = 587478235213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (587478235213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7938895034 + ... + 7938895107.

It is an arithmetic number, because the mean of its divisors is an integer number (150839006349).

Almost surely, 2^587478235217 is an apocalyptic number.

It is an amenable number.

587478235217 is a deficient number, since it is larger than the sum of its proper divisors (15877790179).

587478235217 is a wasteful number, since it uses less digits than its factorization.

587478235217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877790178.

The product of its digits is 26342400, while the sum is 59.

The spelling of 587478235217 in words is "five hundred eighty-seven billion, four hundred seventy-eight million, two hundred thirty-five thousand, two hundred seventeen".