2558534887 has 16 divisors (see below), whose sum is σ = 2628249120. Its totient is φ = 2490053632.

The previous prime is 2558534863. The next prime is 2558534899. The reversal of 2558534887 is 7884358552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2558534887 is a prime.

It is a super-2 number, since 2×2558534887² = 13092201535992205538, 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 (2558534827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646703 + ... + 1648255.

It is an arithmetic number, because the mean of its divisors is an integer number (164265570).

Almost surely, 2^2558534887 is an apocalyptic number.

2558534887 is a deficient number, since it is larger than the sum of its proper divisors (69714233).

2558534887 is a wasteful number, since it uses less digits than its factorization.

2558534887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its digits is 10752000, while the sum is 55.

The square root of 2558534887 is about 50581.9620714737. The cubic root of 2558534887 is about 1367.7197379582.

The spelling of 2558534887 in words is "two billion, five hundred fifty-eight million, five hundred thirty-four thousand, eight hundred eighty-seven".