28858585886 has 16 divisors (see below), whose sum is σ = 47141514000. Its totient is φ = 13169690688.

The previous prime is 28858585871. The next prime is 28858585901. The reversal of 28858585886 is 68858585882.

It is an interprime number because it is at equal distance from previous prime (28858585871) and next prime (28858585901).

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 7 ways as a sum of consecutive naturals, for example, 6233336 + ... + 6237963.

It is an arithmetic number, because the mean of its divisors is an integer number (2946344625).

Almost surely, 2^28858585886 is an apocalyptic number.

28858585886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28858585886 is a deficient number, since it is larger than the sum of its proper divisors (18282928114).

28858585886 is a wasteful number, since it uses less digits than its factorization.

28858585886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471403.

The product of its digits is 393216000, while the sum is 71.

The spelling of 28858585886 in words is "twenty-eight billion, eight hundred fifty-eight million, five hundred eighty-five thousand, eight hundred eighty-six".