875470891 has 4 divisors (see below), whose sum is σ = 875904400. Its totient is φ = 875037384.

The previous prime is 875470859. The next prime is 875470901. The reversal of 875470891 is 198074578.

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 875470891 - 2⁵ = 875470859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875470831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213711 + ... + 217768.

It is an arithmetic number, because the mean of its divisors is an integer number (218976100).

Almost surely, 2^875470891 is an apocalyptic number.

875470891 is a deficient number, since it is larger than the sum of its proper divisors (433509).

875470891 is a wasteful number, since it uses less digits than its factorization.

875470891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433508.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 875470891 is about 29588.3573555546. The cubic root of 875470891 is about 956.6371381552.

The spelling of 875470891 in words is "eight hundred seventy-five million, four hundred seventy thousand, eight hundred ninety-one".