85351688 has 16 divisors (see below), whose sum is σ = 162658860. Its totient is φ = 41976000.

The previous prime is 85351681. The next prime is 85351691. The reversal of 85351688 is 88615358.

It can be written as a sum of positive squares in 2 ways, for example, as 78889924 + 6461764 = 8882^2 + 2542^2 .

It is not an unprimeable number, because it can be changed into a prime (85351681) 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 3 ways as a sum of consecutive naturals, for example, 86963 + ... + 87938.

Almost surely, 2^85351688 is an apocalyptic number.

It is an amenable number.

85351688 is a deficient number, since it is larger than the sum of its proper divisors (77307172).

85351688 is a wasteful number, since it uses less digits than its factorization.

85351688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174968 (or 174964 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 85351688 is about 9238.5977290929. The cubic root of 85351688 is about 440.2885297637.

The spelling of 85351688 in words is "eighty-five million, three hundred fifty-one thousand, six hundred eighty-eight".