85734322669 has 2 divisors, whose sum is σ = 85734322670. Its totient is φ = 85734322668.

The previous prime is 85734322627. The next prime is 85734322679. The reversal of 85734322669 is 96622343758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70737381225 + 14996941444 = 265965^2 + 122462^2 .

It is a cyclic number.

It is not a de Polignac number, because 85734322669 - 2¹¹ = 85734320621 is a prime.

It is a super-2 number, since 2×85734322669² (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 (85734322679) 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, 42867161334 + 42867161335.

It is an arithmetic number, because the mean of its divisors is an integer number (42867161335).

Almost surely, 2^85734322669 is an apocalyptic number.

It is an amenable number.

85734322669 is a deficient number, since it is larger than the sum of its proper divisors (1).

85734322669 is an equidigital number, since it uses as much as digits as its factorization.

85734322669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 55.

The spelling of 85734322669 in words is "eighty-five billion, seven hundred thirty-four million, three hundred twenty-two thousand, six hundred sixty-nine".