28232099757999 has 6 divisors (see below), whose sum is σ = 40779699650456. Its totient is φ = 18821399838660.

The previous prime is 28232099757971. The next prime is 28232099758033. The reversal of 28232099757999 is 99975799023282.

28232099757999 is a `hidden beast` number, since 2 + 8 + 2 + 32 + 0 + 9 + 9 + 7 + 579 + 9 + 9 = 666.

It is not a de Polignac number, because 28232099757999 - 2⁹ = 28232099757487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28232099752999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1568449986547 + ... + 1568449986564.

Almost surely, 2^{28232099757999} is an apocalyptic number.

28232099757999 is a deficient number, since it is larger than the sum of its proper divisors (12547599892457).

28232099757999 is a wasteful number, since it uses less digits than its factorization.

28232099757999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136899973117 (or 3136899973114 counting only the distinct ones).

The product of its (nonzero) digits is 2777664960, while the sum is 81.

The spelling of 28232099757999 in words is "twenty-eight trillion, two hundred thirty-two billion, ninety-nine million, seven hundred fifty-seven thousand, nine hundred ninety-nine".