28758993682 has 8 divisors (see below), whose sum is σ = 43168682700. Its totient is φ = 14369432784.

The previous prime is 28758993677. The next prime is 28758993727. The reversal of 28758993682 is 28639985782.

It can be written as a sum of positive squares in 2 ways, for example, as 27649370961 + 1109622721 = 166281^2 + 33311^2 .

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, 5028457 + ... + 5034172.

Almost surely, 2^28758993682 is an apocalyptic number.

28758993682 is a deficient number, since it is larger than the sum of its proper divisors (14409689018).

28758993682 is a wasteful number, since it uses less digits than its factorization.

28758993682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064060.

The product of its digits is 104509440, while the sum is 67.

The spelling of 28758993682 in words is "twenty-eight billion, seven hundred fifty-eight million, nine hundred ninety-three thousand, six hundred eighty-two".