88216511 has 2 divisors, whose sum is σ = 88216512. Its totient is φ = 88216510.

The previous prime is 88216439. The next prime is 88216517. The reversal of 88216511 is 11561288.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88216511 - 2¹⁴ = 88200127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88216517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44108255 + 44108256.

It is an arithmetic number, because the mean of its divisors is an integer number (44108256).

Almost surely, 2^88216511 is an apocalyptic number.

88216511 is a deficient number, since it is larger than the sum of its proper divisors (1).

88216511 is an equidigital number, since it uses as much as digits as its factorization.

88216511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 32.

The square root of 88216511 is about 9392.3645052777. The cubic root of 88216511 is about 445.1605043203.

Adding to 88216511 its reverse (11561288), we get a palindrome (99777799).

The spelling of 88216511 in words is "eighty-eight million, two hundred sixteen thousand, five hundred eleven".