2587118417 has 6 divisors (see below), whose sum is σ = 2801436102. Its totient is φ = 2388109152.

The previous prime is 2587118399. The next prime is 2587118419. The reversal of 2587118417 is 7148117852.

It can be written as a sum of positive squares in 3 ways, for example, as 42823936 + 2544294481 = 6544^2 + 50441^2 .

It is not a de Polignac number, because 2587118417 - 2³⁰ = 1513376593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2587118419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7654028 + ... + 7654365.

It is an arithmetic number, because the mean of its divisors is an integer number (466906017).

Almost surely, 2^2587118417 is an apocalyptic number.

It is an amenable number.

2587118417 is a deficient number, since it is larger than the sum of its proper divisors (214317685).

2587118417 is a wasteful number, since it uses less digits than its factorization.

2587118417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15308419 (or 15308406 counting only the distinct ones).

The product of its digits is 125440, while the sum is 44.

The square root of 2587118417 is about 50863.7239788830. The cubic root of 2587118417 is about 1372.7942007426.

The spelling of 2587118417 in words is "two billion, five hundred eighty-seven million, one hundred eighteen thousand, four hundred seventeen".