87884142 has 8 divisors (see below), whose sum is σ = 175768296. Its totient is φ = 29294712.

The previous prime is 87884119. The next prime is 87884149. The reversal of 87884142 is 24148878.

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

87884142 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 87884094 and 87884103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87884149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7323673 + ... + 7323684.

It is an arithmetic number, because the mean of its divisors is an integer number (21971037).

Almost surely, 2^87884142 is an apocalyptic number.

87884142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87884142 is a wasteful number, since it uses less digits than its factorization.

87884142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14647362.

The product of its digits is 114688, while the sum is 42.

The square root of 87884142 is about 9374.6542336238. The cubic root of 87884142 is about 444.6007309575.

The spelling of 87884142 in words is "eighty-seven million, eight hundred eighty-four thousand, one hundred forty-two".