86213311 has 2 divisors, whose sum is σ = 86213312. Its totient is φ = 86213310.

The previous prime is 86213291. The next prime is 86213333. The reversal of 86213311 is 11331268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86213311 - 2⁹ = 86212799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86213371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43106655 + 43106656.

It is an arithmetic number, because the mean of its divisors is an integer number (43106656).

Almost surely, 2^86213311 is an apocalyptic number.

86213311 is a deficient number, since it is larger than the sum of its proper divisors (1).

86213311 is an equidigital number, since it uses as much as digits as its factorization.

86213311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 86213311 is about 9285.1123310383. The cubic root of 86213311 is about 441.7651390417.

Adding to 86213311 its reverse (11331268), we get a palindrome (97544579).

The spelling of 86213311 in words is "eighty-six million, two hundred thirteen thousand, three hundred eleven".