85765856757 has 8 divisors (see below), whose sum is σ = 130690829376. Its totient is φ = 49009060992.

The previous prime is 85765856753. The next prime is 85765856767. The reversal of 85765856757 is 75765856758.

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

It is not a de Polignac number, because 85765856757 - 2² = 85765856753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85765856691 and 85765856700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85765856753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042044188 + ... + 2042044229.

It is an arithmetic number, because the mean of its divisors is an integer number (16336353672).

Almost surely, 2^85765856757 is an apocalyptic number.

It is an amenable number.

85765856757 is a deficient number, since it is larger than the sum of its proper divisors (44924972619).

85765856757 is a wasteful number, since it uses less digits than its factorization.

85765856757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084088427.

The product of its digits is 493920000, while the sum is 69.

Subtracting from 85765856757 its reverse (75765856758), we obtain a palindrome (9999999999).

The spelling of 85765856757 in words is "eighty-five billion, seven hundred sixty-five million, eight hundred fifty-six thousand, seven hundred fifty-seven".