87124167 has 80 divisors (see below), whose sum is σ = 154167552. Its totient is φ = 48522240.

The previous prime is 87124157. The next prime is 87124183. The reversal of 87124167 is 76142178.

It is not a de Polignac number, because 87124167 - 2¹⁸ = 86862023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87124117) 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 79 ways as a sum of consecutive naturals, for example, 554853 + ... + 555009.

Almost surely, 2^87124167 is an apocalyptic number.

87124167 is a deficient number, since it is larger than the sum of its proper divisors (67043385).

87124167 is a wasteful number, since it uses less digits than its factorization.

87124167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 221 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 87124167 is about 9334.0327297476. The cubic root of 87124167 is about 443.3154626875.

The spelling of 87124167 in words is "eighty-seven million, one hundred twenty-four thousand, one hundred sixty-seven".