85238756593 has 8 divisors (see below), whose sum is σ = 90806032800. Its totient is φ = 79779583008.

The previous prime is 85238756573. The next prime is 85238756599. The reversal of 85238756593 is 39565783258.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85238756593 - 2²¹ = 85236659441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85238756599) 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 7 ways as a sum of consecutive naturals, for example, 27024028 + ... + 27027181.

It is an arithmetic number, because the mean of its divisors is an integer number (11350754100).

Almost surely, 2^85238756593 is an apocalyptic number.

85238756593 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85238756593 is a deficient number, since it is larger than the sum of its proper divisors (5567276207).

85238756593 is a wasteful number, since it uses less digits than its factorization.

85238756593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54051311.

The product of its digits is 54432000, while the sum is 61.

The spelling of 85238756593 in words is "eighty-five billion, two hundred thirty-eight million, seven hundred fifty-six thousand, five hundred ninety-three".