85806883 has 2 divisors, whose sum is σ = 85806884. Its totient is φ = 85806882.

The previous prime is 85806881. The next prime is 85806893. The reversal of 85806883 is 38860858.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85806883 - 2¹ = 85806881 is a prime.

Together with 85806881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85806881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42903441 + 42903442.

It is an arithmetic number, because the mean of its divisors is an integer number (42903442).

Almost surely, 2^85806883 is an apocalyptic number.

85806883 is a deficient number, since it is larger than the sum of its proper divisors (1).

85806883 is an equidigital number, since it uses as much as digits as its factorization.

85806883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 85806883 is about 9263.2004728387. The cubic root of 85806883 is about 441.0698535145.

The spelling of 85806883 in words is "eighty-five million, eight hundred six thousand, eight hundred eighty-three".