85845803 has 2 divisors, whose sum is σ = 85845804. Its totient is φ = 85845802.

The previous prime is 85845797. The next prime is 85845811. The reversal of 85845803 is 30854858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85845803 - 2⁴ = 85845787 is a prime.

It is not a weakly prime, because it can be changed into another prime (85845203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42922901 + 42922902.

It is an arithmetic number, because the mean of its divisors is an integer number (42922902).

Almost surely, 2^85845803 is an apocalyptic number.

85845803 is a deficient number, since it is larger than the sum of its proper divisors (1).

85845803 is an equidigital number, since it uses as much as digits as its factorization.

85845803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 85845803 is about 9265.3010204742. The cubic root of 85845803 is about 441.1365297660.

The spelling of 85845803 in words is "eighty-five million, eight hundred forty-five thousand, eight hundred three".