85665348 has 36 divisors (see below), whose sum is σ = 218984220. Its totient is φ = 28233216.

The previous prime is 85665341. The next prime is 85665353. The reversal of 85665348 is 84356658.

It can be written as a sum of positive squares in 2 ways, for example, as 36216324 + 49449024 = 6018^2 + 7032^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×85665348² = 14677103695922208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85665341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10165 + ... + 16572.

It is an arithmetic number, because the mean of its divisors is an integer number (6082895).

Almost surely, 2^85665348 is an apocalyptic number.

It is an amenable number.

85665348 is an abundant number, since it is smaller than the sum of its proper divisors (133318872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85665348 is a wasteful number, since it uses less digits than its factorization.

85665348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836 (or 26831 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 85665348 is about 9255.5576817391. The cubic root of 85665348 is about 440.8272110654.

The spelling of 85665348 in words is "eighty-five million, six hundred sixty-five thousand, three hundred forty-eight".