28056288626 has 8 divisors (see below), whose sum is σ = 42617147520. Its totient is φ = 13850572788.

The previous prime is 28056288613. The next prime is 28056288629. The reversal of 28056288626 is 62688265082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28056288629) 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 in 3 ways as a sum of consecutive naturals, for example, 88785566 + ... + 88785881.

It is an arithmetic number, because the mean of its divisors is an integer number (5327143440).

Almost surely, 2^28056288626 is an apocalyptic number.

28056288626 is a deficient number, since it is larger than the sum of its proper divisors (14560858894).

28056288626 is a wasteful number, since it uses less digits than its factorization.

28056288626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177571528.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 28056288626 in words is "twenty-eight billion, fifty-six million, two hundred eighty-eight thousand, six hundred twenty-six".