87413171 has 2 divisors, whose sum is σ = 87413172. Its totient is φ = 87413170.

The previous prime is 87413119. The next prime is 87413173. The reversal of 87413171 is 17131478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87413171 - 2²² = 83218867 is a prime.

Together with 87413173, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_5075717 and since 87413171 and 5075717 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (87413173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43706585 + 43706586.

It is an arithmetic number, because the mean of its divisors is an integer number (43706586).

Almost surely, 2^87413171 is an apocalyptic number.

87413171 is a deficient number, since it is larger than the sum of its proper divisors (1).

87413171 is an equidigital number, since it uses as much as digits as its factorization.

87413171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 87413171 is about 9349.5011096849. The cubic root of 87413171 is about 443.8051030957.

The spelling of 87413171 in words is "eighty-seven million, four hundred thirteen thousand, one hundred seventy-one".