87366511 has 2 divisors, whose sum is σ = 87366512. Its totient is φ = 87366510.

The previous prime is 87366493. The next prime is 87366523. The reversal of 87366511 is 11566378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87366511 - 2⁵ = 87366479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87366571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43683255 + 43683256.

It is an arithmetic number, because the mean of its divisors is an integer number (43683256).

Almost surely, 2^87366511 is an apocalyptic number.

87366511 is a deficient number, since it is larger than the sum of its proper divisors (1).

87366511 is an equidigital number, since it uses as much as digits as its factorization.

87366511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 87366511 is about 9347.0054562945. The cubic root of 87366511 is about 443.7261232673.

The spelling of 87366511 in words is "eighty-seven million, three hundred sixty-six thousand, five hundred eleven".