85738568 has 8 divisors (see below), whose sum is σ = 160759830. Its totient is φ = 42869280.

The previous prime is 85738567. The next prime is 85738579. The reversal of 85738568 is 86583758.

It can be written as a sum of positive squares in only one way, i.e., 61748164 + 23990404 = 7858^2 + 4898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×85738568² = 14702204085381248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85738567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5358653 + ... + 5358668.

Almost surely, 2^85738568 is an apocalyptic number.

It is an amenable number.

85738568 is a deficient number, since it is larger than the sum of its proper divisors (75021262).

85738568 is a wasteful number, since it uses less digits than its factorization.

85738568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10717327 (or 10717323 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 85738568 is about 9259.5122981721. The cubic root of 85738568 is about 440.9527701060.

The spelling of 85738568 in words is "eighty-five million, seven hundred thirty-eight thousand, five hundred sixty-eight".