875407643 has 4 divisors (see below), whose sum is σ = 954990168. Its totient is φ = 795825120.

The previous prime is 875407633. The next prime is 875407651. The reversal of 875407643 is 346704578.

875407643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 875407643 - 2⁴ = 875407627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 875407594 and 875407603.

It is not an unprimeable number, because it can be changed into a prime (875407633) 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, 39791246 + ... + 39791267.

It is an arithmetic number, because the mean of its divisors is an integer number (238747542).

Almost surely, 2^875407643 is an apocalyptic number.

875407643 is a deficient number, since it is larger than the sum of its proper divisors (79582525).

875407643 is a wasteful number, since it uses less digits than its factorization.

875407643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79582524.

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 875407643 is about 29587.2885374784. The cubic root of 875407643 is about 956.6141003274.

Adding to 875407643 its reverse (346704578), we get a palindrome (1222112221).

The spelling of 875407643 in words is "eight hundred seventy-five million, four hundred seven thousand, six hundred forty-three".