87347311 has 2 divisors, whose sum is σ = 87347312. Its totient is φ = 87347310.

The previous prime is 87347287. The next prime is 87347327. The reversal of 87347311 is 11374378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87347311 - 2⁵ = 87347279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87341311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43673655 + 43673656.

It is an arithmetic number, because the mean of its divisors is an integer number (43673656).

Almost surely, 2^87347311 is an apocalyptic number.

87347311 is a deficient number, since it is larger than the sum of its proper divisors (1).

87347311 is an equidigital number, since it uses as much as digits as its factorization.

87347311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 87347311 is about 9345.9783329516. The cubic root of 87347311 is about 443.6936159002.

It can be divided in two parts, 873 and 47311, that added together give a palindrome (48184).

The spelling of 87347311 in words is "eighty-seven million, three hundred forty-seven thousand, three hundred eleven".