88171385 has 4 divisors (see below), whose sum is σ = 105805668. Its totient is φ = 70537104.

The previous prime is 88171379. The next prime is 88171393. The reversal of 88171385 is 58317188.

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 60155536 + 28015849 = 7756^2 + 5293^2 .

It is a cyclic number.

It is not a de Polignac number, because 88171385 - 2¹⁰ = 88170361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 8817134 + ... + 8817143.

It is an arithmetic number, because the mean of its divisors is an integer number (26451417).

Almost surely, 2^88171385 is an apocalyptic number.

It is an amenable number.

88171385 is a deficient number, since it is larger than the sum of its proper divisors (17634283).

88171385 is a wasteful number, since it uses less digits than its factorization.

88171385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634282.

The product of its digits is 53760, while the sum is 41.

The square root of 88171385 is about 9389.9619275054. The cubic root of 88171385 is about 445.0845860333.

The spelling of 88171385 in words is "eighty-eight million, one hundred seventy-one thousand, three hundred eighty-five".