2587820267471 has 4 divisors (see below), whose sum is σ = 2724021334200. Its totient is φ = 2451619200744.

The previous prime is 2587820267443. The next prime is 2587820267503. The reversal of 2587820267471 is 1747620287852.

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 2587820267471 - 2¹⁴ = 2587820251087 is a prime.

It is a super-3 number, since 3×2587820267471³ (a number of 38 digits) contains 333 as substring.

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 2587820267471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587820267401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68100533336 + ... + 68100533373.

It is an arithmetic number, because the mean of its divisors is an integer number (681005333550).

Almost surely, 2^{2587820267471} is an apocalyptic number.

2587820267471 is a deficient number, since it is larger than the sum of its proper divisors (136201066729).

2587820267471 is a wasteful number, since it uses less digits than its factorization.

2587820267471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136201066728.

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 2587820267471 in words is "two trillion, five hundred eighty-seven billion, eight hundred twenty million, two hundred sixty-seven thousand, four hundred seventy-one".