28856621035 has 8 divisors (see below), whose sum is σ = 37775940336. Its totient is φ = 20986633440.

The previous prime is 28856621009. The next prime is 28856621063. The reversal of 28856621035 is 53012665882.

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

It is a de Polignac number, because none of the positive numbers 2^k-28856621035 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262332864 + ... + 262332973.

It is an arithmetic number, because the mean of its divisors is an integer number (4721992542).

Almost surely, 2^28856621035 is an apocalyptic number.

28856621035 is a deficient number, since it is larger than the sum of its proper divisors (8919319301).

28856621035 is a wasteful number, since it uses less digits than its factorization.

28856621035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524665853.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 28856621035 in words is "twenty-eight billion, eight hundred fifty-six million, six hundred twenty-one thousand, thirty-five".