857758000857759 has 12 divisors (see below), whose sum is σ = 1239332101744776. Its totient is φ = 571677902902512.

The previous prime is 857758000857757. The next prime is 857758000857847. The reversal of 857758000857759 is 957758000857758.

It is not a de Polignac number, because 857758000857759 - 2¹ = 857758000857757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857758000857757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13396994209 + ... + 13397058234.

It is an arithmetic number, because the mean of its divisors is an integer number (103277675145398).

Almost surely, 2^{857758000857759} is an apocalyptic number.

857758000857759 is a deficient number, since it is larger than the sum of its proper divisors (381574100887017).

857758000857759 is a wasteful number, since it uses less digits than its factorization.

857758000857759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26794056006 (or 26794056003 counting only the distinct ones).

The product of its (nonzero) digits is 6914880000, while the sum is 81.

Subtracting 857758000857759 from its reverse (957758000857758), we obtain a palindrome (99999999999999).

The spelling of 857758000857759 in words is "eight hundred fifty-seven trillion, seven hundred fifty-eight billion, eight hundred fifty-seven thousand, seven hundred fifty-nine".