85327969 has 2 divisors, whose sum is σ = 85327970. Its totient is φ = 85327968.

The previous prime is 85327967. The next prime is 85328041. The reversal of 85327969 is 96972358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71910400 + 13417569 = 8480^2 + 3663^2 .

It is a cyclic number.

It is not a de Polignac number, because 85327969 - 2¹ = 85327967 is a prime.

It is a super-2 number, since 2×85327969² = 14561724587329922, which contains 22 as substring.

Together with 85327967, 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 (85327961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42663984 + 42663985.

It is an arithmetic number, because the mean of its divisors is an integer number (42663985).

Almost surely, 2^85327969 is an apocalyptic number.

It is an amenable number.

85327969 is a deficient number, since it is larger than the sum of its proper divisors (1).

85327969 is an equidigital number, since it uses as much as digits as its factorization.

85327969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 85327969 is about 9237.3139494119. The cubic root of 85327969 is about 440.2477409935.

The spelling of 85327969 in words is "eighty-five million, three hundred twenty-seven thousand, nine hundred sixty-nine".