85170963 has 4 divisors (see below), whose sum is σ = 113561288. Its totient is φ = 56780640.

The previous prime is 85170959. The next prime is 85170971. The reversal of 85170963 is 36907158.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85170963 - 2² = 85170959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85170913) 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 in 3 ways as a sum of consecutive naturals, for example, 14195158 + ... + 14195163.

It is an arithmetic number, because the mean of its divisors is an integer number (28390322).

Almost surely, 2^85170963 is an apocalyptic number.

85170963 is a deficient number, since it is larger than the sum of its proper divisors (28390325).

85170963 is a wasteful number, since it uses less digits than its factorization.

85170963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28390324.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 85170963 is about 9228.8115702944. The cubic root of 85170963 is about 439.9775522294.

The spelling of 85170963 in words is "eighty-five million, one hundred seventy thousand, nine hundred sixty-three".