28808775634 has 8 divisors (see below), whose sum is σ = 43760165760. Its totient is φ = 14222053716.

The previous prime is 28808775617. The next prime is 28808775727. The reversal of 28808775634 is 43657780882.

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

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, 91166854 + ... + 91167169.

It is an arithmetic number, because the mean of its divisors is an integer number (5470020720).

Almost surely, 2^28808775634 is an apocalyptic number.

28808775634 is a deficient number, since it is larger than the sum of its proper divisors (14951390126).

28808775634 is a wasteful number, since it uses less digits than its factorization.

28808775634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182334104.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 28808775634 in words is "twenty-eight billion, eight hundred eight million, seven hundred seventy-five thousand, six hundred thirty-four".