875634585121 has 4 divisors (see below), whose sum is σ = 876839035072. Its totient is φ = 874430135172.

The previous prime is 875634585113. The next prime is 875634585169. The reversal of 875634585121 is 121585436578.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121585436578 = 2 ⋅60792718289.

It is a cyclic number.

It is not a de Polignac number, because 875634585121 - 2³ = 875634585113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875634585101) 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, 602223885 + ... + 602225338.

It is an arithmetic number, because the mean of its divisors is an integer number (219209758768).

Almost surely, 2^875634585121 is an apocalyptic number.

It is an amenable number.

875634585121 is a deficient number, since it is larger than the sum of its proper divisors (1204449951).

875634585121 is a wasteful number, since it uses less digits than its factorization.

875634585121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204449950.

The product of its digits is 8064000, while the sum is 55.

The spelling of 875634585121 in words is "eight hundred seventy-five billion, six hundred thirty-four million, five hundred eighty-five thousand, one hundred twenty-one".