28600117059881 has 2 divisors, whose sum is σ = 28600117059882. Its totient is φ = 28600117059880.

The previous prime is 28600117059859. The next prime is 28600117059883. The reversal of 28600117059881 is 18895071100682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27132847566400 + 1467269493481 = 5208920^2 + 1211309^2 .

It is a cyclic number.

It is not a de Polignac number, because 28600117059881 - 2⁶ = 28600117059817 is a prime.

It is a super-2 number, since 2×28600117059881² (a number of 28 digits) contains 22 as substring.

Together with 28600117059883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28600117059883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300058529940 + 14300058529941.

It is an arithmetic number, because the mean of its divisors is an integer number (14300058529941).

Almost surely, 2^{28600117059881} is an apocalyptic number.

It is an amenable number.

28600117059881 is a deficient number, since it is larger than the sum of its proper divisors (1).

28600117059881 is an equidigital number, since it uses as much as digits as its factorization.

28600117059881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 56.

The spelling of 28600117059881 in words is "twenty-eight trillion, six hundred billion, one hundred seventeen million, fifty-nine thousand, eight hundred eighty-one".