2258529878 has 32 divisors (see below), whose sum is σ = 3733218720. Its totient is φ = 1016258560.

The previous prime is 2258529851. The next prime is 2258529899. The reversal of 2258529878 is 8789258522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976988 + ... + 979296.

It is an arithmetic number, because the mean of its divisors is an integer number (116663085).

Almost surely, 2^2258529878 is an apocalyptic number.

2258529878 is a deficient number, since it is larger than the sum of its proper divisors (1474688842).

2258529878 is a wasteful number, since it uses less digits than its factorization.

2258529878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752.

The product of its digits is 6451200, while the sum is 56.

The square root of 2258529878 is about 47523.9926563415. The cubic root of 2258529878 is about 1312.0245055872.

The spelling of 2258529878 in words is "two billion, two hundred fifty-eight million, five hundred twenty-nine thousand, eight hundred seventy-eight".