85223620208927 has 2 divisors, whose sum is σ = 85223620208928. Its totient is φ = 85223620208926.

The previous prime is 85223620208851. The next prime is 85223620208957. The reversal of 85223620208927 is 72980202632258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85223620208927 - 2¹⁶ = 85223620143391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85223620208957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42611810104463 + 42611810104464.

It is an arithmetic number, because the mean of its divisors is an integer number (42611810104464).

Almost surely, 2^{85223620208927} is an apocalyptic number.

85223620208927 is a deficient number, since it is larger than the sum of its proper divisors (1).

85223620208927 is an equidigital number, since it uses as much as digits as its factorization.

85223620208927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 85223620208927 in words is "eighty-five trillion, two hundred twenty-three billion, six hundred twenty million, two hundred eight thousand, nine hundred twenty-seven".