87279 has 8 divisors (see below), whose sum is σ = 119040. Its totient is φ = 56856.

The previous prime is 87277. The next prime is 87281. The reversal of 87279 is 97278.

It is an interprime number because it is at equal distance from previous prime (87277) and next prime (87281).

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

It is not a de Polignac number, because 87279 - 2¹ = 87277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87277) 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, 169 + ... + 450.

It is an arithmetic number, because the mean of its divisors is an integer number (14880).

2⁸⁷²⁷⁹ is an apocalyptic number.

87279 is a deficient number, since it is larger than the sum of its proper divisors (31761).

87279 is a wasteful number, since it uses less digits than its factorization.

87279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 7056, while the sum is 33.

The square root of 87279 is about 295.4301948007. The cubic root of 87279 is about 44.3577920451.

Subtracting 87279 from its reverse (97278), we obtain a palindrome (9999).

The spelling of 87279 in words is "eighty-seven thousand, two hundred seventy-nine".