88381169 has 2 divisors, whose sum is σ = 88381170. Its totient is φ = 88381168.

The previous prime is 88381159. The next prime is 88381193. The reversal of 88381169 is 96118388.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66178225 + 22202944 = 8135^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 88381169 - 2¹² = 88377073 is a prime.

It is a super-2 number, since 2×88381169² = 15622462067613122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88381129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44190584 + 44190585.

It is an arithmetic number, because the mean of its divisors is an integer number (44190585).

Almost surely, 2^88381169 is an apocalyptic number.

It is an amenable number.

88381169 is a deficient number, since it is larger than the sum of its proper divisors (1).

88381169 is an equidigital number, since it uses as much as digits as its factorization.

88381169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 44.

The square root of 88381169 is about 9401.1259432049. The cubic root of 88381169 is about 445.4372993702.

The spelling of 88381169 in words is "eighty-eight million, three hundred eighty-one thousand, one hundred sixty-nine".