875831335681 has 4 divisors (see below), whose sum is σ = 875837060164. Its totient is φ = 875825611200.

The previous prime is 875831335657. The next prime is 875831335699. The reversal of 875831335681 is 186533138578.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 806420164081 + 69411171600 = 898009^2 + 263460^2 .

It is a cyclic number.

It is not a de Polignac number, because 875831335681 - 2⁵ = 875831335649 is a prime.

It is a super-2 number, since 2×875831335681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875831305681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626260 + ... + 2940901.

It is an arithmetic number, because the mean of its divisors is an integer number (218959265041).

Almost surely, 2^875831335681 is an apocalyptic number.

It is an amenable number.

875831335681 is a deficient number, since it is larger than the sum of its proper divisors (5724483).

875831335681 is a wasteful number, since it uses less digits than its factorization.

875831335681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724482.

The product of its digits is 14515200, while the sum is 58.

The spelling of 875831335681 in words is "eight hundred seventy-five billion, eight hundred thirty-one million, three hundred thirty-five thousand, six hundred eighty-one".