85375634 has 4 divisors (see below), whose sum is σ = 128063454. Its totient is φ = 42687816.

The previous prime is 85375579. The next prime is 85375637. The reversal of 85375634 is 43657358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45091225 + 40284409 = 6715^2 + 6347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85375591 and 85375600.

It is not an unprimeable number, because it can be changed into a prime (85375637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21343907 + ... + 21343910.

Almost surely, 2^85375634 is an apocalyptic number.

85375634 is a deficient number, since it is larger than the sum of its proper divisors (42687820).

85375634 is a wasteful number, since it uses less digits than its factorization.

85375634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42687819.

The product of its digits is 302400, while the sum is 41.

The square root of 85375634 is about 9239.8936141062. The cubic root of 85375634 is about 440.3297012333.

The spelling of 85375634 in words is "eighty-five million, three hundred seventy-five thousand, six hundred thirty-four".