258252782828 has 12 divisors (see below), whose sum is σ = 451967176920. Its totient is φ = 129119303712.

The previous prime is 258252782807. The next prime is 258252782881. The reversal of 258252782828 is 828287252852.

It is a super-2 number, since 2×258252782828² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1689518 + ... + 1836021.

It is an arithmetic number, because the mean of its divisors is an integer number (37663931410).

Almost surely, 2^258252782828 is an apocalyptic number.

It is an amenable number.

258252782828 is a deficient number, since it is larger than the sum of its proper divisors (193714394092).

258252782828 is a wasteful number, since it uses less digits than its factorization.

258252782828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543856 (or 3543854 counting only the distinct ones).

The product of its digits is 22937600, while the sum is 59.

The spelling of 258252782828 in words is "two hundred fifty-eight billion, two hundred fifty-two million, seven hundred eighty-two thousand, eight hundred twenty-eight".