2585716487 has 8 divisors (see below), whose sum is σ = 2614365600. Its totient is φ = 2557108224.

The previous prime is 2585716481. The next prime is 2585716493. The reversal of 2585716487 is 7846175852.

It is an interprime number because it is at equal distance from previous prime (2585716481) and next prime (2585716493).

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

It is a cyclic number.

It is not a de Polignac number, because 2585716487 - 2⁶ = 2585716423 is a prime.

It is a super-2 number, since 2×2585716487² = 13371859502287242338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585716481) 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 7 ways as a sum of consecutive naturals, for example, 127214 + ... + 146132.

It is an arithmetic number, because the mean of its divisors is an integer number (326795700).

Almost surely, 2^2585716487 is an apocalyptic number.

2585716487 is a deficient number, since it is larger than the sum of its proper divisors (28649113).

2585716487 is a wasteful number, since it uses less digits than its factorization.

2585716487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20425.

The product of its digits is 3763200, while the sum is 53.

The square root of 2585716487 is about 50849.9408750885. The cubic root of 2585716487 is about 1372.5461887591.

The spelling of 2585716487 in words is "two billion, five hundred eighty-five million, seven hundred sixteen thousand, four hundred eighty-seven".