857437807748084 has 12 divisors (see below), whose sum is σ = 1501889005436484. Its totient is φ = 428326663337664.

The previous prime is 857437807748083. The next prime is 857437807748089. The reversal of 857437807748084 is 480847708734758.

It can be written as a sum of positive squares in 2 ways, for example, as 584119872519184 + 273317935228900 = 24168572^2 + 16532330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857437807748083) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 98060129177 + ... + 98060137920.

It is an arithmetic number, because the mean of its divisors is an integer number (125157417119707).

Almost surely, 2^{857437807748084} is an apocalyptic number.

It is an amenable number.

857437807748084 is a deficient number, since it is larger than the sum of its proper divisors (644451197688400).

857437807748084 is a wasteful number, since it uses less digits than its factorization.

857437807748084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196120268194 (or 196120268192 counting only the distinct ones).

The product of its (nonzero) digits is 9441116160, while the sum is 80.

The spelling of 857437807748084 in words is "eight hundred fifty-seven trillion, four hundred thirty-seven billion, eight hundred seven million, seven hundred forty-eight thousand, eighty-four".