88215653 has 2 divisors, whose sum is σ = 88215654. Its totient is φ = 88215652.

The previous prime is 88215551. The next prime is 88215719. The reversal of 88215653 is 35651288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57501889 + 30713764 = 7583^2 + 5542^2 .

It is a cyclic number.

It is not a de Polignac number, because 88215653 - 2²⁰ = 87167077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88215353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44107826 + 44107827.

It is an arithmetic number, because the mean of its divisors is an integer number (44107827).

Almost surely, 2^88215653 is an apocalyptic number.

It is an amenable number.

88215653 is a deficient number, since it is larger than the sum of its proper divisors (1).

88215653 is an equidigital number, since it uses as much as digits as its factorization.

88215653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The square root of 88215653 is about 9392.3188297672. The cubic root of 88215653 is about 445.1590610948.

The spelling of 88215653 in words is "eighty-eight million, two hundred fifteen thousand, six hundred fifty-three".