85605636358 has 48 divisors (see below), whose sum is σ = 145232278128. Its totient is φ = 37798904000.

The previous prime is 85605636353. The next prime is 85605636421. The reversal of 85605636358 is 85363650658.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85605636299 and 85605636308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85605636353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1262385 + ... + 1328467.

It is an arithmetic number, because the mean of its divisors is an integer number (3025672461).

Almost surely, 2^85605636358 is an apocalyptic number.

85605636358 is a deficient number, since it is larger than the sum of its proper divisors (59626641770).

85605636358 is a wasteful number, since it uses less digits than its factorization.

85605636358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66261 (or 66250 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 85605636358 in words is "eighty-five billion, six hundred five million, six hundred thirty-six thousand, three hundred fifty-eight".