28424880886 has 4 divisors (see below), whose sum is σ = 42637321332. Its totient is φ = 14212440442.

The previous prime is 28424880881. The next prime is 28424880893. The reversal of 28424880886 is 68808842482.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28424880886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28424880881) by changing a digit.

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 as a sum of consecutive naturals, namely, 7106220220 + ... + 7106220223.

It is an arithmetic number, because the mean of its divisors is an integer number (10659330333).

Almost surely, 2^28424880886 is an apocalyptic number.

28424880886 is a deficient number, since it is larger than the sum of its proper divisors (14212440446).

28424880886 is a wasteful number, since it uses less digits than its factorization.

28424880886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212440445.

The product of its (nonzero) digits is 12582912, while the sum is 58.

The spelling of 28424880886 in words is "twenty-eight billion, four hundred twenty-four million, eight hundred eighty thousand, eight hundred eighty-six".