85563883 has 2 divisors, whose sum is σ = 85563884. Its totient is φ = 85563882.

The previous prime is 85563847. The next prime is 85563893. The reversal of 85563883 is 38836558.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85563883 is a prime.

It is not a weakly prime, because it can be changed into another prime (85563893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42781941 + 42781942.

It is an arithmetic number, because the mean of its divisors is an integer number (42781942).

Almost surely, 2^85563883 is an apocalyptic number.

85563883 is a deficient number, since it is larger than the sum of its proper divisors (1).

85563883 is an equidigital number, since it uses as much as digits as its factorization.

85563883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 46.

The square root of 85563883 is about 9250.0747564547. The cubic root of 85563883 is about 440.6530986424.

The spelling of 85563883 in words is "eighty-five million, five hundred sixty-three thousand, eight hundred eighty-three".