85397968 has 10 divisors (see below), whose sum is σ = 165458594. Its totient is φ = 42698976.

The previous prime is 85397959. The next prime is 85397969. The reversal of 85397968 is 86979358.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84125584 + 1272384 = 9172^2 + 1128^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85397969) 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 as a sum of consecutive naturals, namely, 2668671 + ... + 2668702.

Almost surely, 2^85397968 is an apocalyptic number.

It is an amenable number.

85397968 is a deficient number, since it is larger than the sum of its proper divisors (80060626).

85397968 is a wasteful number, since it uses less digits than its factorization.

85397968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337381 (or 5337375 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 85397968 is about 9241.1020987759. The cubic root of 85397968 is about 440.3680941786.

The spelling of 85397968 in words is "eighty-five million, three hundred ninety-seven thousand, nine hundred sixty-eight".