85569258623 has 2 divisors, whose sum is σ = 85569258624. Its totient is φ = 85569258622.

The previous prime is 85569258601. The next prime is 85569258641. The reversal of 85569258623 is 32685296558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85569258623 - 2⁶ = 85569258559 is a prime.

It is a super-2 number, since 2×85569258623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85563258623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42784629311 + 42784629312.

It is an arithmetic number, because the mean of its divisors is an integer number (42784629312).

Almost surely, 2^85569258623 is an apocalyptic number.

85569258623 is a deficient number, since it is larger than the sum of its proper divisors (1).

85569258623 is an equidigital number, since it uses as much as digits as its factorization.

85569258623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104000, while the sum is 59.

The spelling of 85569258623 in words is "eighty-five billion, five hundred sixty-nine million, two hundred fifty-eight thousand, six hundred twenty-three".