85791019759 has 8 divisors (see below), whose sum is σ = 86686104960. Its totient is φ = 84899904600.

The previous prime is 85791019757. The next prime is 85791019793. The reversal of 85791019759 is 95791019758.

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 85791019759 - 2¹ = 85791019757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85791019697 and 85791019706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85791019757) 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, 949057 + ... + 1035514.

It is an arithmetic number, because the mean of its divisors is an integer number (10835763120).

Almost surely, 2^85791019759 is an apocalyptic number.

85791019759 is a deficient number, since it is larger than the sum of its proper divisors (895085201).

85791019759 is a wasteful number, since it uses less digits than its factorization.

85791019759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985021.

The product of its (nonzero) digits is 7144200, while the sum is 61.

Subtracting 85791019759 from its reverse (95791019758), we obtain a palindrome (9999999999).

The spelling of 85791019759 in words is "eighty-five billion, seven hundred ninety-one million, nineteen thousand, seven hundred fifty-nine".