28078575327 has 24 divisors (see below), whose sum is σ = 44283253248. Its totient is φ = 17002616400.

The previous prime is 28078575247. The next prime is 28078575347. The reversal of 28078575327 is 72357587082.

28078575327 is a `hidden beast` number, since 28 + 0 + 7 + 85 + 7 + 532 + 7 = 666.

It is not a de Polignac number, because 28078575327 - 2¹¹ = 28078573279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28078575347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6799 + ... + 237072.

It is an arithmetic number, because the mean of its divisors is an integer number (1845135552).

Almost surely, 2^28078575327 is an apocalyptic number.

28078575327 is a deficient number, since it is larger than the sum of its proper divisors (16204677921).

28078575327 is a wasteful number, since it uses less digits than its factorization.

28078575327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245051 (or 245048 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 28078575327 in words is "twenty-eight billion, seventy-eight million, five hundred seventy-five thousand, three hundred twenty-seven".