85643626 has 8 divisors (see below), whose sum is σ = 128513664. Its totient is φ = 42805740.

The previous prime is 85643617. The next prime is 85643627. The reversal of 85643626 is 62634658.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85643627) 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 in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (16064208).

Almost surely, 2^85643626 is an apocalyptic number.

85643626 is a deficient number, since it is larger than the sum of its proper divisors (42870038).

85643626 is a wasteful number, since it uses less digits than its factorization.

85643626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076.

The product of its digits is 207360, while the sum is 40.

The square root of 85643626 is about 9254.3841502285. The cubic root of 85643626 is about 440.7899480088.

The spelling of 85643626 in words is "eighty-five million, six hundred forty-three thousand, six hundred twenty-six".