28388308301133 has 32 divisors (see below), whose sum is σ = 41542595123712. Its totient is φ = 17100871502400.

The previous prime is 28388308301039. The next prime is 28388308301137. The reversal of 28388308301133 is 33110380388382.

It is not a de Polignac number, because 28388308301133 - 2⁹ = 28388308300621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28388308301137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2578110 + ... + 7963872.

It is an arithmetic number, because the mean of its divisors is an integer number (1298206097616).

Almost surely, 2^{28388308301133} is an apocalyptic number.

It is an amenable number.

28388308301133 is a deficient number, since it is larger than the sum of its proper divisors (13154286822579).

28388308301133 is a wasteful number, since it uses less digits than its factorization.

28388308301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386745.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 28388308301133 in words is "twenty-eight trillion, three hundred eighty-eight billion, three hundred eight million, three hundred one thousand, one hundred thirty-three".