2585277087 has 4 divisors (see below), whose sum is σ = 3447036120. Its totient is φ = 1723518056.

The previous prime is 2585277059. The next prime is 2585277109. The reversal of 2585277087 is 7807725852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2585277087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585275087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430879512 + ... + 430879517.

It is an arithmetic number, because the mean of its divisors is an integer number (861759030).

Almost surely, 2^2585277087 is an apocalyptic number.

2585277087 is a deficient number, since it is larger than the sum of its proper divisors (861759033).

2585277087 is an equidigital number, since it uses as much as digits as its factorization.

2585277087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861759032.

The product of its (nonzero) digits is 2195200, while the sum is 51.

The square root of 2585277087 is about 50845.6201358583. The cubic root of 2585277087 is about 1372.4684371360.

The spelling of 2585277087 in words is "two billion, five hundred eighty-five million, two hundred seventy-seven thousand, eighty-seven".