85770169 has 8 divisors (see below), whose sum is σ = 86446080. Its totient is φ = 85097376.

The previous prime is 85770143. The next prime is 85770187. The reversal of 85770169 is 96107758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85770169 - 2⁵ = 85770137 is a prime.

It is a super-2 number, since 2×85770169² = 14713043780577122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85770119) 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 7 ways as a sum of consecutive naturals, for example, 91069 + ... + 92005.

It is an arithmetic number, because the mean of its divisors is an integer number (10805760).

Almost surely, 2^85770169 is an apocalyptic number.

It is an amenable number.

85770169 is a deficient number, since it is larger than the sum of its proper divisors (675911).

85770169 is a wasteful number, since it uses less digits than its factorization.

85770169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 85770169 is about 9261.2185483337. The cubic root of 85770169 is about 441.0069380151.

The spelling of 85770169 in words is "eighty-five million, seven hundred seventy thousand, one hundred sixty-nine".