875349187 has 4 divisors (see below), whose sum is σ = 877069440. Its totient is φ = 873628936.

The previous prime is 875349169. The next prime is 875349199. The reversal of 875349187 is 781943578.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-875349187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875349127) 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, 859363 + ... + 860380.

It is an arithmetic number, because the mean of its divisors is an integer number (219267360).

Almost surely, 2^875349187 is an apocalyptic number.

875349187 is a deficient number, since it is larger than the sum of its proper divisors (1720253).

875349187 is a wasteful number, since it uses less digits than its factorization.

875349187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720252.

The product of its digits is 1693440, while the sum is 52.

The square root of 875349187 is about 29586.3006643277. The cubic root of 875349187 is about 956.5928069795.

It can be divided in two parts, 8753491 and 87, that added together give a palindrome (8753578).

The spelling of 875349187 in words is "eight hundred seventy-five million, three hundred forty-nine thousand, one hundred eighty-seven".