87167442 has 16 divisors (see below), whose sum is σ = 174636000. Its totient is φ = 29005632.

The previous prime is 87167429. The next prime is 87167467. The reversal of 87167442 is 24476178.

It is a self number, because there is not a number n which added to its sum of digits gives 87167442.

It is an unprimeable number.

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, 8692 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (10914750).

Almost surely, 2^87167442 is an apocalyptic number.

87167442 is an abundant number, since it is smaller than the sum of its proper divisors (87468558).

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

87167442 is a wasteful number, since it uses less digits than its factorization.

87167442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25097.

The product of its digits is 75264, while the sum is 39.

The square root of 87167442 is about 9336.3505718241. The cubic root of 87167442 is about 443.3888495248.

The spelling of 87167442 in words is "eighty-seven million, one hundred sixty-seven thousand, four hundred forty-two".