87988179 has 16 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 55588896.

The previous prime is 87988163. The next prime is 87988189. The reversal of 87988179 is 97188978.

It is not a de Polignac number, because 87988179 - 2⁴ = 87988163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87988189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672 + ... + 13370.

It is an arithmetic number, because the mean of its divisors is an integer number (7722000).

Almost surely, 2^87988179 is an apocalyptic number.

87988179 is a deficient number, since it is larger than the sum of its proper divisors (35563821).

87988179 is a wasteful number, since it uses less digits than its factorization.

87988179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834.

The product of its digits is 2032128, while the sum is 57.

The square root of 87988179 is about 9380.2014370695. The cubic root of 87988179 is about 444.7761008064.

The spelling of 87988179 in words is "eighty-seven million, nine hundred eighty-eight thousand, one hundred seventy-nine".