85995967 has 2 divisors, whose sum is σ = 85995968. Its totient is φ = 85995966.

The previous prime is 85995961. The next prime is 85995977. The reversal of 85995967 is 76959958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85995967 - 2¹⁹ = 85471679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85995961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42997983 + 42997984.

It is an arithmetic number, because the mean of its divisors is an integer number (42997984).

Almost surely, 2^85995967 is an apocalyptic number.

85995967 is a deficient number, since it is larger than the sum of its proper divisors (1).

85995967 is an equidigital number, since it uses as much as digits as its factorization.

85995967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 58.

The square root of 85995967 is about 9273.4010481592. The cubic root of 85995967 is about 441.3935962596.

The spelling of 85995967 in words is "eighty-five million, nine hundred ninety-five thousand, nine hundred sixty-seven".