28775139335 has 8 divisors (see below), whose sum is σ = 36561353616. Its totient is φ = 21665987200.

The previous prime is 28775139319. The next prime is 28775139359. The reversal of 28775139335 is 53393157782.

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

It is not a de Polignac number, because 28775139335 - 2⁴ = 28775139319 is a prime.

It is a Duffinian number.

It is a congruent 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, 169265441 + ... + 169265610.

It is an arithmetic number, because the mean of its divisors is an integer number (4570169202).

Almost surely, 2^28775139335 is an apocalyptic number.

28775139335 is a deficient number, since it is larger than the sum of its proper divisors (7786214281).

28775139335 is a wasteful number, since it uses less digits than its factorization.

28775139335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338531073.

The product of its digits is 4762800, while the sum is 53.

The spelling of 28775139335 in words is "twenty-eight billion, seven hundred seventy-five million, one hundred thirty-nine thousand, three hundred thirty-five".