28873058219 has 2 divisors, whose sum is σ = 28873058220. Its totient is φ = 28873058218.

The previous prime is 28873058209. The next prime is 28873058231. The reversal of 28873058219 is 91285037882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28873058219 - 2¹⁶ = 28872992683 is a prime.

It is a super-3 number, since 3×28873058219³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (28873058209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14436529109 + 14436529110.

It is an arithmetic number, because the mean of its divisors is an integer number (14436529110).

Almost surely, 2^28873058219 is an apocalyptic number.

28873058219 is a deficient number, since it is larger than the sum of its proper divisors (1).

28873058219 is an equidigital number, since it uses as much as digits as its factorization.

28873058219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 28873058219 in words is "twenty-eight billion, eight hundred seventy-three million, fifty-eight thousand, two hundred nineteen".