85814500523 has 2 divisors, whose sum is σ = 85814500524. Its totient is φ = 85814500522.

The previous prime is 85814500517. The next prime is 85814500643. The reversal of 85814500523 is 32500541858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85814500523 - 2¹⁶ = 85814434987 is a prime.

It is not a weakly prime, because it can be changed into another prime (85814500223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42907250261 + 42907250262.

It is an arithmetic number, because the mean of its divisors is an integer number (42907250262).

Almost surely, 2^85814500523 is an apocalyptic number.

85814500523 is a deficient number, since it is larger than the sum of its proper divisors (1).

85814500523 is an equidigital number, since it uses as much as digits as its factorization.

85814500523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 85814500523 in words is "eighty-five billion, eight hundred fourteen million, five hundred thousand, five hundred twenty-three".