987167 has 4 divisors (see below), whose sum is σ = 992376. Its totient is φ = 981960.

The previous prime is 987143. The next prime is 987191. The reversal of 987167 is 761789.

It is a happy number.

987167 is nontrivially palindromic in base 16.

987167 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, and also an emirpimes, since its reverse is a distinct semiprime: 761789 = 7 ⋅108827.

It is an interprime number because it is at equal distance from previous prime (987143) and next prime (987191).

It is a cyclic number.

It is not a de Polignac number, because 987167 - 2¹⁰ = 986143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 987167.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987167.

It is not an unprimeable number, because it can be changed into a prime (987127) 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, 2309 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (248094).

2⁹⁸⁷¹⁶⁷ is an apocalyptic number.

987167 is a deficient number, since it is larger than the sum of its proper divisors (5209).

987167 is a wasteful number, since it uses less digits than its factorization.

987167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its digits is 21168, while the sum is 38.

The square root of 987167 is about 993.5627811065. The cubic root of 987167 is about 99.5703903317.

The spelling of 987167 in words is "nine hundred eighty-seven thousand, one hundred sixty-seven".