2587250678 has 16 divisors (see below), whose sum is σ = 3988203360. Its totient is φ = 1257892416.

The previous prime is 2587250623. The next prime is 2587250681. The reversal of 2587250678 is 8760527852.

It is a happy number.

It is a super-2 number, since 2×2587250678² = 13387732141622919368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122138 + ... + 141746.

It is an arithmetic number, because the mean of its divisors is an integer number (249262710).

Almost surely, 2^2587250678 is an apocalyptic number.

2587250678 is a deficient number, since it is larger than the sum of its proper divisors (1400952682).

2587250678 is a wasteful number, since it uses less digits than its factorization.

2587250678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The square root of 2587250678 is about 50865.0241128420. The cubic root of 2587250678 is about 1372.8175940849.

The spelling of 2587250678 in words is "two billion, five hundred eighty-seven million, two hundred fifty thousand, six hundred seventy-eight".