85865325612806 has 4 divisors (see below), whose sum is σ = 128797988419212. Its totient is φ = 42932662806402.

The previous prime is 85865325612763. The next prime is 85865325612839. The reversal of 85865325612806 is 60821652356858.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21466331403200 + ... + 21466331403203.

It is an arithmetic number, because the mean of its divisors is an integer number (32199497104803).

Almost surely, 2^{85865325612806} is an apocalyptic number.

85865325612806 is a deficient number, since it is larger than the sum of its proper divisors (42932662806406).

85865325612806 is a wasteful number, since it uses less digits than its factorization.

85865325612806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42932662806405.

The product of its (nonzero) digits is 165888000, while the sum is 65.

The spelling of 85865325612806 in words is "eighty-five trillion, eight hundred sixty-five billion, three hundred twenty-five million, six hundred twelve thousand, eight hundred six".