87094177 has 4 divisors (see below), whose sum is σ = 87115156. Its totient is φ = 87073200.

The previous prime is 87094151. The next prime is 87094199. The reversal of 87094177 is 77149078.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38638656 + 48455521 = 6216^2 + 6961^2 .

It is a cyclic number.

It is not a de Polignac number, because 87094177 - 2²³ = 78705569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87094277) 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, 1938 + ... + 13339.

It is an arithmetic number, because the mean of its divisors is an integer number (21778789).

Almost surely, 2^87094177 is an apocalyptic number.

It is an amenable number.

87094177 is a deficient number, since it is larger than the sum of its proper divisors (20979).

87094177 is a wasteful number, since it uses less digits than its factorization.

87094177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20978.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 87094177 is about 9332.4261047168. The cubic root of 87094177 is about 443.2645906316.

The spelling of 87094177 in words is "eighty-seven million, ninety-four thousand, one hundred seventy-seven".