85765856759 has 16 divisors (see below), whose sum is σ = 98870388480. Its totient is φ = 73577871360.

The previous prime is 85765856753. The next prime is 85765856767. The reversal of 85765856759 is 95765856758.

It is a cyclic number.

It is not a de Polignac number, because 85765856759 - 2⁸ = 85765856503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85765856692 and 85765856701.

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 15 ways as a sum of consecutive naturals, for example, 744659 + ... + 852084.

It is an arithmetic number, because the mean of its divisors is an integer number (6179399280).

Almost surely, 2^85765856759 is an apocalyptic number.

85765856759 is a deficient number, since it is larger than the sum of its proper divisors (13104531721).

85765856759 is a wasteful number, since it uses less digits than its factorization.

85765856759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597030.

The product of its digits is 635040000, while the sum is 71.

Subtracting 85765856759 from its reverse (95765856758), we obtain a palindrome (9999999999).

The spelling of 85765856759 in words is "eighty-five billion, seven hundred sixty-five million, eight hundred fifty-six thousand, seven hundred fifty-nine".