28500258033 has 12 divisors (see below), whose sum is σ = 44333734900. Its totient is φ = 17538620256.

The previous prime is 28500258029. The next prime is 28500258037. The reversal of 28500258033 is 33085200582.

28500258033 is a `hidden beast` number, since 28 + 50 + 0 + 2 + 580 + 3 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (28500258029) and next prime (28500258037).

It can be written as a sum of positive squares in 2 ways, for example, as 3344077584 + 25156180449 = 57828^2 + 158607^2 .

It is not a de Polignac number, because 28500258033 - 2² = 28500258029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28500258037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121795858 + ... + 121796091.

Almost surely, 2^28500258033 is an apocalyptic number.

It is an amenable number.

28500258033 is a deficient number, since it is larger than the sum of its proper divisors (15833476867).

28500258033 is a wasteful number, since it uses less digits than its factorization.

28500258033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243591968 (or 243591965 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 28500258033 in words is "twenty-eight billion, five hundred million, two hundred fifty-eight thousand, thirty-three".