28270552219 has 24 divisors (see below), whose sum is σ = 36722243040. Its totient is φ = 21190626432.

The previous prime is 28270552201. The next prime is 28270552231. The reversal of 28270552219 is 91225507282.

It is not a de Polignac number, because 28270552219 - 2⁹ = 28270551707 is a prime.

It is a super-2 number, since 2×28270552219² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28270552249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397434 + ... + 463135.

It is an arithmetic number, because the mean of its divisors is an integer number (1530093460).

Almost surely, 2^28270552219 is an apocalyptic number.

28270552219 is a deficient number, since it is larger than the sum of its proper divisors (8451690821).

28270552219 is a wasteful number, since it uses less digits than its factorization.

28270552219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860627 (or 860608 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 28270552219 in words is "twenty-eight billion, two hundred seventy million, five hundred fifty-two thousand, two hundred nineteen".