85776071 has 2 divisors, whose sum is σ = 85776072. Its totient is φ = 85776070.

The previous prime is 85776037. The next prime is 85776073. The reversal of 85776071 is 17067758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85776071 - 2⁶ = 85776007 is a prime.

Together with 85776073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85776073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42888035 + 42888036.

It is an arithmetic number, because the mean of its divisors is an integer number (42888036).

Almost surely, 2^85776071 is an apocalyptic number.

85776071 is a deficient number, since it is larger than the sum of its proper divisors (1).

85776071 is an equidigital number, since it uses as much as digits as its factorization.

85776071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 85776071 is about 9261.5371834269. The cubic root of 85776071 is about 441.0170532773.

The spelling of 85776071 in words is "eighty-five million, seven hundred seventy-six thousand, seventy-one".