87417311 has 2 divisors, whose sum is σ = 87417312. Its totient is φ = 87417310.

The previous prime is 87417301. The next prime is 87417353. The reversal of 87417311 is 11371478.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87417311 - 2²⁶ = 20308447 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87417301) 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 as a sum of consecutive naturals, namely, 43708655 + 43708656.

It is an arithmetic number, because the mean of its divisors is an integer number (43708656).

Almost surely, 2^87417311 is an apocalyptic number.

87417311 is a deficient number, since it is larger than the sum of its proper divisors (1).

87417311 is an equidigital number, since it uses as much as digits as its factorization.

87417311 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 87417311 is about 9349.7225092513. The cubic root of 87417311 is about 443.8121093783.

Adding to 87417311 its reverse (11371478), we get a palindrome (98788789).

The spelling of 87417311 in words is "eighty-seven million, four hundred seventeen thousand, three hundred eleven".