28005030252803 has 8 divisors (see below), whose sum is σ = 28909905695088. Its totient is φ = 27111681886464.

The previous prime is 28005030252799. The next prime is 28005030252833. The reversal of 28005030252803 is 30825203050082.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28005030252803 - 2² = 28005030252799 is a prime.

It is a super-2 number, since 2×28005030252803² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28005030252833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881764050 + ... + 2881773767.

It is an arithmetic number, because the mean of its divisors is an integer number (3613738211886).

Almost surely, 2^{28005030252803} is an apocalyptic number.

28005030252803 is a deficient number, since it is larger than the sum of its proper divisors (904875442285).

28005030252803 is a wasteful number, since it uses less digits than its factorization.

28005030252803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763537973.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 28005030252803 in words is "twenty-eight trillion, five billion, thirty million, two hundred fifty-two thousand, eight hundred three".