85323467374993 has 4 divisors (see below), whose sum is σ = 86168254180788. Its totient is φ = 84478680569200.

The previous prime is 85323467374927. The next prime is 85323467375053. The reversal of 85323467374993 is 39947376432358.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39018599841169 + 46304867533824 = 6246487^2 + 6804768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85323467374993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85323467174993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422393402746 + ... + 422393402947.

It is an arithmetic number, because the mean of its divisors is an integer number (21542063545197).

Almost surely, 2^{85323467374993} is an apocalyptic number.

It is an amenable number.

85323467374993 is a deficient number, since it is larger than the sum of its proper divisors (844786805795).

85323467374993 is a wasteful number, since it uses less digits than its factorization.

85323467374993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844786805794.

The product of its digits is 2469035520, while the sum is 73.

The spelling of 85323467374993 in words is "eighty-five trillion, three hundred twenty-three billion, four hundred sixty-seven million, three hundred seventy-four thousand, nine hundred ninety-three".