875667 has 8 divisors (see below), whose sum is σ = 1257424. Its totient is φ = 538848.

The previous prime is 875663. The next prime is 875681. The reversal of 875667 is 766578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 875667 - 2² = 875663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 22453 = 875667 / (8 + 7 + 5 + 6 + 6 + 7).

It is a Duffinian number.

875667 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (875663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11188 + ... + 11265.

It is an arithmetic number, because the mean of its divisors is an integer number (157178).

2⁸⁷⁵⁶⁶⁷ is an apocalyptic number.

875667 is a deficient number, since it is larger than the sum of its proper divisors (381757).

875667 is a wasteful number, since it uses less digits than its factorization.

875667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22469.

The product of its digits is 70560, while the sum is 39.

The square root of 875667 is about 935.7708052723. The cubic root of 875667 is about 95.6708563011.

The spelling of 875667 in words is "eight hundred seventy-five thousand, six hundred sixty-seven".