85756839438755 has 8 divisors (see below), whose sum is σ = 102910135597152. Its totient is φ = 68604186037248.

The previous prime is 85756839438707. The next prime is 85756839438791. The reversal of 85756839438755 is 55783493865758.

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 85756839438755 - 2²⁴ = 85756822661539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160395647 + ... + 160929416.

It is an arithmetic number, because the mean of its divisors is an integer number (12863766949644).

Almost surely, 2^{85756839438755} is an apocalyptic number.

85756839438755 is a deficient number, since it is larger than the sum of its proper divisors (17153296158397).

85756839438755 is a wasteful number, since it uses less digits than its factorization.

85756839438755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321378445.

The product of its digits is 30481920000, while the sum is 83.

The spelling of 85756839438755 in words is "eighty-five trillion, seven hundred fifty-six billion, eight hundred thirty-nine million, four hundred thirty-eight thousand, seven hundred fifty-five".