85265917 has 12 divisors (see below), whose sum is σ = 94663548. Its totient is φ = 76736000.

The previous prime is 85265893. The next prime is 85265933. The reversal of 85265917 is 71956258.

It can be written as a sum of positive squares in 2 ways, for example, as 53670276 + 31595641 = 7326^2 + 5621^2 .

It is not a de Polignac number, because 85265917 - 2¹⁵ = 85233149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85265987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8733 + ... + 15709.

It is an arithmetic number, because the mean of its divisors is an integer number (7888629).

Almost surely, 2^85265917 is an apocalyptic number.

It is an amenable number.

85265917 is a deficient number, since it is larger than the sum of its proper divisors (9397631).

85265917 is a wasteful number, since it uses less digits than its factorization.

85265917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100 (or 7089 counting only the distinct ones).

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

The square root of 85265917 is about 9233.9545699554. The cubic root of 85265917 is about 440.1409964800.

The spelling of 85265917 in words is "eighty-five million, two hundred sixty-five thousand, nine hundred seventeen".