875433361021 has 16 divisors (see below), whose sum is σ = 884439129600. Its totient is φ = 866468218240.

The previous prime is 875433361013. The next prime is 875433361063. The reversal of 875433361021 is 120163334578.

It is a cyclic number.

It is not a de Polignac number, because 875433361021 - 2³ = 875433361013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875433361421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115078800 + ... + 115086406.

It is an arithmetic number, because the mean of its divisors is an integer number (55277445600).

Almost surely, 2^875433361021 is an apocalyptic number.

It is an amenable number.

875433361021 is a deficient number, since it is larger than the sum of its proper divisors (9005768579).

875433361021 is a wasteful number, since it uses less digits than its factorization.

875433361021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 362880, while the sum is 43.

Adding to 875433361021 its reverse (120163334578), we get a palindrome (995596695599).

The spelling of 875433361021 in words is "eight hundred seventy-five billion, four hundred thirty-three million, three hundred sixty-one thousand, twenty-one".