85952617 has 4 divisors (see below), whose sum is σ = 86227540. Its totient is φ = 85677696.

The previous prime is 85952611. The next prime is 85952621. The reversal of 85952617 is 71625958.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19105641 + 66846976 = 4371^2 + 8176^2 .

It is a cyclic number.

It is not a de Polignac number, because 85952617 - 2¹⁵ = 85919849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85952611) 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, 136992 + ... + 137617.

It is an arithmetic number, because the mean of its divisors is an integer number (21556885).

Almost surely, 2^85952617 is an apocalyptic number.

It is an amenable number.

85952617 is a deficient number, since it is larger than the sum of its proper divisors (274923).

85952617 is a wasteful number, since it uses less digits than its factorization.

85952617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274922.

The product of its digits is 151200, while the sum is 43.

The square root of 85952617 is about 9271.0634233620. The cubic root of 85952617 is about 441.3194159263.

The spelling of 85952617 in words is "eighty-five million, nine hundred fifty-two thousand, six hundred seventeen".