887979 has 4 divisors (see below), whose sum is σ = 1183976. Its totient is φ = 591984.

The previous prime is 887947. The next prime is 887987. The reversal of 887979 is 979788.

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

It is not a de Polignac number, because 887979 - 2⁵ = 887947 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887989) 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 3 ways as a sum of consecutive naturals, for example, 147994 + ... + 147999.

It is an arithmetic number, because the mean of its divisors is an integer number (295994).

2⁸⁸⁷⁹⁷⁹ is an apocalyptic number.

887979 is a deficient number, since it is larger than the sum of its proper divisors (295997).

887979 is a wasteful number, since it uses less digits than its factorization.

887979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295996.

The product of its digits is 254016, while the sum is 48.

The square root of 887979 is about 942.3263765809. The cubic root of 887979 is about 96.1171529819.

Subtracting 887979 from its reverse (979788), we obtain a square (91809 = 303²).

The spelling of 887979 in words is "eight hundred eighty-seven thousand, nine hundred seventy-nine".