28628653258 has 8 divisors (see below), whose sum is σ = 42954688800. Its totient is φ = 14310423660.

The previous prime is 28628653247. The next prime is 28628653297. The reversal of 28628653258 is 85235682682.

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

It is a junction number, because it is equal to n+sod(n) for n = 28628653199 and 28628653208.

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, 1942308 + ... + 1956991.

It is an arithmetic number, because the mean of its divisors is an integer number (5369336100).

Almost surely, 2^28628653258 is an apocalyptic number.

28628653258 is a deficient number, since it is larger than the sum of its proper divisors (14326035542).

28628653258 is a wasteful number, since it uses less digits than its factorization.

28628653258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902972.

The product of its digits is 11059200, while the sum is 55.

The spelling of 28628653258 in words is "twenty-eight billion, six hundred twenty-eight million, six hundred fifty-three thousand, two hundred fifty-eight".