87282311 has 2 divisors, whose sum is σ = 87282312. Its totient is φ = 87282310.

The previous prime is 87282271. The next prime is 87282319. The reversal of 87282311 is 11328278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87282311 - 2¹⁰ = 87281287 is a 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 (87282319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43641155 + 43641156.

It is an arithmetic number, because the mean of its divisors is an integer number (43641156).

Almost surely, 2^87282311 is an apocalyptic number.

87282311 is a deficient number, since it is larger than the sum of its proper divisors (1).

87282311 is an equidigital number, since it uses as much as digits as its factorization.

87282311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 87282311 is about 9342.5002542146. The cubic root of 87282311 is about 443.5835295430.

The spelling of 87282311 in words is "eighty-seven million, two hundred eighty-two thousand, three hundred eleven".