87334111 has 2 divisors, whose sum is σ = 87334112. Its totient is φ = 87334110.

The previous prime is 87334081. The next prime is 87334139. The reversal of 87334111 is 11143378.

It is an a-pointer prime, because the next prime (87334139) can be obtained adding 87334111 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87334111 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87334111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87334211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43667055 + 43667056.

It is an arithmetic number, because the mean of its divisors is an integer number (43667056).

Almost surely, 2^87334111 is an apocalyptic number.

87334111 is a deficient number, since it is larger than the sum of its proper divisors (1).

87334111 is an equidigital number, since it uses as much as digits as its factorization.

87334111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 87334111 is about 9345.2721201686. The cubic root of 87334111 is about 443.6712643219.

Adding to 87334111 its reverse (11143378), we get a palindrome (98477489).

The spelling of 87334111 in words is "eighty-seven million, three hundred thirty-four thousand, one hundred eleven".