28055300305307 has 8 divisors (see below), whose sum is σ = 30974526515520. Its totient is φ = 25197531489160.

The previous prime is 28055300305301. The next prime is 28055300305387. The reversal of 28055300305307 is 70350300355082.

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 28055300305307 - 2¹⁸ = 28055300043163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28055300305301) 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, 15364347557 + ... + 15364349382.

It is an arithmetic number, because the mean of its divisors is an integer number (3871815814440).

Almost surely, 2^{28055300305307} is an apocalyptic number.

28055300305307 is a deficient number, since it is larger than the sum of its proper divisors (2919226210213).

28055300305307 is a wasteful number, since it uses less digits than its factorization.

28055300305307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30728697033.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 28055300305307 in words is "twenty-eight trillion, fifty-five billion, three hundred million, three hundred five thousand, three hundred seven".