87167441 has 4 divisors (see below), whose sum is σ = 87418992. Its totient is φ = 86915892.

The previous prime is 87167429. The next prime is 87167467. The reversal of 87167441 is 14476178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14476178 = 2 ⋅7238089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87167441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87167395 and 87167404.

It is not an unprimeable number, because it can be changed into a prime (87167411) 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, 125255 + ... + 125948.

It is an arithmetic number, because the mean of its divisors is an integer number (21854748).

Almost surely, 2^87167441 is an apocalyptic number.

It is an amenable number.

87167441 is a deficient number, since it is larger than the sum of its proper divisors (251551).

87167441 is a wasteful number, since it uses less digits than its factorization.

87167441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251550.

The product of its digits is 37632, while the sum is 38.

The square root of 87167441 is about 9336.3505182700. The cubic root of 87167441 is about 443.3888478292.

The spelling of 87167441 in words is "eighty-seven million, one hundred sixty-seven thousand, four hundred forty-one".