28348412271 has 8 divisors (see below), whose sum is σ = 40021287984. Its totient is φ = 17787239040.

The previous prime is 28348412251. The next prime is 28348412317. The reversal of 28348412271 is 17221484382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28348412271 - 2⁶ = 28348412207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28348412221) 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, 277925560 + ... + 277925661.

It is an arithmetic number, because the mean of its divisors is an integer number (5002660998).

Almost surely, 2^28348412271 is an apocalyptic number.

28348412271 is a deficient number, since it is larger than the sum of its proper divisors (11672875713).

28348412271 is a wasteful number, since it uses less digits than its factorization.

28348412271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555851241.

The product of its digits is 172032, while the sum is 42.

The spelling of 28348412271 in words is "twenty-eight billion, three hundred forty-eight million, four hundred twelve thousand, two hundred seventy-one".