85193767 has 2 divisors, whose sum is σ = 85193768. Its totient is φ = 85193766.

The previous prime is 85193761. The next prime is 85193791. The reversal of 85193767 is 76739158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85193767 - 2⁷ = 85193639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85193761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42596883 + 42596884.

It is an arithmetic number, because the mean of its divisors is an integer number (42596884).

Almost surely, 2^85193767 is an apocalyptic number.

85193767 is a deficient number, since it is larger than the sum of its proper divisors (1).

85193767 is an equidigital number, since it uses as much as digits as its factorization.

85193767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 46.

The square root of 85193767 is about 9230.0469662944. The cubic root of 85193767 is about 440.0168158174.

The spelling of 85193767 in words is "eighty-five million, one hundred ninety-three thousand, seven hundred sixty-seven".