325643805587 has 4 divisors (see below), whose sum is σ = 328129636296. Its totient is φ = 323157974880.

The previous prime is 325643805527. The next prime is 325643805601. The reversal of 325643805587 is 785508346523.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325643805587 - 2¹⁴ = 325643789203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325643805517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242915158 + ... + 1242915419.

It is an arithmetic number, because the mean of its divisors is an integer number (82032409074).

Almost surely, 2^325643805587 is an apocalyptic number.

325643805587 is a deficient number, since it is larger than the sum of its proper divisors (2485830709).

325643805587 is a wasteful number, since it uses less digits than its factorization.

325643805587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485830708.

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 325643805587 in words is "three hundred twenty-five billion, six hundred forty-three million, eight hundred five thousand, five hundred eighty-seven".