28073348248 has 72 divisors (see below), whose sum is σ = 58700833380. Its totient is φ = 12482695680.

The previous prime is 28073348227. The next prime is 28073348263. The reversal of 28073348248 is 84284337082.

It is a super-2 number, since 2×28073348248² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 83303536 + ... + 83303872.

Almost surely, 2^28073348248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28073348248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29350416690).

28073348248 is an abundant number, since it is smaller than the sum of its proper divisors (30627485132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28073348248 is an equidigital number, since it uses as much as digits as its factorization.

28073348248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 28073348248 in words is "twenty-eight billion, seventy-three million, three hundred forty-eight thousand, two hundred forty-eight".