2587151687 has 4 divisors (see below), whose sum is σ = 2589141576. Its totient is φ = 2585161800.

The previous prime is 2587151669. The next prime is 2587151731. The reversal of 2587151687 is 7861517852.

2587151687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2587151687 - 2²⁶ = 2520042823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587151657) 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, 992993 + ... + 995594.

It is an arithmetic number, because the mean of its divisors is an integer number (647285394).

Almost surely, 2^2587151687 is an apocalyptic number.

2587151687 is a deficient number, since it is larger than the sum of its proper divisors (1989889).

2587151687 is a wasteful number, since it uses less digits than its factorization.

2587151687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989888.

The product of its digits is 940800, while the sum is 50.

The square root of 2587151687 is about 50864.0510282066. The cubic root of 2587151687 is about 1372.8000853679.

The spelling of 2587151687 in words is "two billion, five hundred eighty-seven million, one hundred fifty-one thousand, six hundred eighty-seven".