85933909723 has 4 divisors (see below), whose sum is σ = 85964054248. Its totient is φ = 85903765200.

The previous prime is 85933909687. The next prime is 85933909727. The reversal of 85933909723 is 32790933958.

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

It is a cyclic number.

It is not a de Polignac number, because 85933909723 - 2¹³ = 85933901531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85933909727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15067986 + ... + 15073687.

It is an arithmetic number, because the mean of its divisors is an integer number (21491013562).

Almost surely, 2^85933909723 is an apocalyptic number.

85933909723 is a deficient number, since it is larger than the sum of its proper divisors (30144525).

85933909723 is a wasteful number, since it uses less digits than its factorization.

85933909723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30144524.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 85933909723 in words is "eighty-five billion, nine hundred thirty-three million, nine hundred nine thousand, seven hundred twenty-three".