28302273055 has 8 divisors (see below), whose sum is σ = 38814545952. Its totient is φ = 19407272928.

The previous prime is 28302272983. The next prime is 28302273119. The reversal of 28302273055 is 55037220382.

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 28302273055 - 2⁹ = 28302272543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404318152 + ... + 404318221.

It is an arithmetic number, because the mean of its divisors is an integer number (4851818244).

Almost surely, 2^28302273055 is an apocalyptic number.

28302273055 is a deficient number, since it is larger than the sum of its proper divisors (10512272897).

28302273055 is an equidigital number, since it uses as much as digits as its factorization.

28302273055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808636385.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 28302273055 in words is "twenty-eight billion, three hundred two million, two hundred seventy-three thousand, fifty-five".