28082089373231 has 2 divisors, whose sum is σ = 28082089373232. Its totient is φ = 28082089373230.

The previous prime is 28082089373183. The next prime is 28082089373237. The reversal of 28082089373231 is 13237398028082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28082089373231 - 2¹⁴ = 28082089356847 is a prime.

It is a super-2 number, since 2×28082089373231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28082089373237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041044686615 + 14041044686616.

It is an arithmetic number, because the mean of its divisors is an integer number (14041044686616).

Almost surely, 2^{28082089373231} is an apocalyptic number.

28082089373231 is a deficient number, since it is larger than the sum of its proper divisors (1).

28082089373231 is an equidigital number, since it uses as much as digits as its factorization.

28082089373231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 28082089373231 in words is "twenty-eight trillion, eighty-two billion, eighty-nine million, three hundred seventy-three thousand, two hundred thirty-one".