85020086305 has 32 divisors (see below), whose sum is σ = 127600323840. Its totient is φ = 52832267520.

The previous prime is 85020086297. The next prime is 85020086309. The reversal of 85020086305 is 50368002058.

It is not a de Polignac number, because 85020086305 - 2³ = 85020086297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85020086309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226270 + ... + 470359.

It is an arithmetic number, because the mean of its divisors is an integer number (3987510120).

Almost surely, 2^85020086305 is an apocalyptic number.

It is an amenable number.

85020086305 is a deficient number, since it is larger than the sum of its proper divisors (42580237535).

85020086305 is a wasteful number, since it uses less digits than its factorization.

85020086305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696969.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 85020086305 in words is "eighty-five billion, twenty million, eighty-six thousand, three hundred five".