28002502775255 has 8 divisors (see below), whose sum is σ = 33603377390352. Its totient is φ = 22401752846848.

The previous prime is 28002502775201. The next prime is 28002502775267. The reversal of 28002502775255 is 55257720520082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28002502775255 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, 30676874 + ... + 31576503.

It is an arithmetic number, because the mean of its divisors is an integer number (4200422173794).

Almost surely, 2^{28002502775255} is an apocalyptic number.

28002502775255 is a deficient number, since it is larger than the sum of its proper divisors (5600874615097).

28002502775255 is an equidigital number, since it uses as much as digits as its factorization.

28002502775255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62343345.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 28002502775255 in words is "twenty-eight trillion, two billion, five hundred two million, seven hundred seventy-five thousand, two hundred fifty-five".