28766820222059 has 2 divisors, whose sum is σ = 28766820222060. Its totient is φ = 28766820222058.

The previous prime is 28766820221999. The next prime is 28766820222103. The reversal of 28766820222059 is 95022202866782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28766820222059 - 2⁴⁴ = 11174634177643 is a prime.

It is a super-2 number, since 2×28766820222059² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28766820221989 and 28766820222007.

It is not a weakly prime, because it can be changed into another prime (28766820222859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14383410111029 + 14383410111030.

It is an arithmetic number, because the mean of its divisors is an integer number (14383410111030).

Almost surely, 2^{28766820222059} is an apocalyptic number.

28766820222059 is a deficient number, since it is larger than the sum of its proper divisors (1).

28766820222059 is an equidigital number, since it uses as much as digits as its factorization.

28766820222059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 28766820222059 in words is "twenty-eight trillion, seven hundred sixty-six billion, eight hundred twenty million, two hundred twenty-two thousand, fifty-nine".