87477167 has 4 divisors (see below), whose sum is σ = 87544416. Its totient is φ = 87409920.

The previous prime is 87477163. The next prime is 87477193. The reversal of 87477167 is 76177478.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87477167 - 2² = 87477163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87477163) 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 3 ways as a sum of consecutive naturals, for example, 31634 + ... + 34287.

It is an arithmetic number, because the mean of its divisors is an integer number (21886104).

Almost surely, 2^87477167 is an apocalyptic number.

87477167 is a deficient number, since it is larger than the sum of its proper divisors (67249).

87477167 is a wasteful number, since it uses less digits than its factorization.

87477167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67248.

The product of its digits is 460992, while the sum is 47.

The square root of 87477167 is about 9352.9229121168. The cubic root of 87477167 is about 443.9133812984.

The spelling of 87477167 in words is "eighty-seven million, four hundred seventy-seven thousand, one hundred sixty-seven".