85570883 has 2 divisors, whose sum is σ = 85570884. Its totient is φ = 85570882.

The previous prime is 85570873. The next prime is 85570907. The reversal of 85570883 is 38807558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85570883 - 2⁴ = 85570867 is a prime.

It is not a weakly prime, because it can be changed into another prime (85570873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42785441 + 42785442.

It is an arithmetic number, because the mean of its divisors is an integer number (42785442).

Almost surely, 2^85570883 is an apocalyptic number.

85570883 is a deficient number, since it is larger than the sum of its proper divisors (1).

85570883 is an equidigital number, since it uses as much as digits as its factorization.

85570883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 85570883 is about 9250.4531240367. The cubic root of 85570883 is about 440.6651149568.

The spelling of 85570883 in words is "eighty-five million, five hundred seventy thousand, eight hundred eighty-three".