28029344882 has 32 divisors (see below), whose sum is σ = 55177390080. Its totient is φ = 10345758480.

The previous prime is 28029344843. The next prime is 28029344891. The reversal of 28029344882 is 28844392082.

It is a happy number.

It is a super-4 number, since 4×28029344882⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28029344882.

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 15 ways as a sum of consecutive naturals, for example, 4786778 + ... + 4792629.

It is an arithmetic number, because the mean of its divisors is an integer number (1724293440).

Almost surely, 2^28029344882 is an apocalyptic number.

28029344882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28029344882 is a deficient number, since it is larger than the sum of its proper divisors (27148045198).

28029344882 is a wasteful number, since it uses less digits than its factorization.

28029344882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579446.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 28029344882 in words is "twenty-eight billion, twenty-nine million, three hundred forty-four thousand, eight hundred eighty-two".