88444397 has 2 divisors, whose sum is σ = 88444398. Its totient is φ = 88444396.

The previous prime is 88444331. The next prime is 88444399. The reversal of 88444397 is 79344488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46635241 + 41809156 = 6829^2 + 6466^2 .

It is a cyclic number.

It is not a de Polignac number, because 88444397 - 2⁸ = 88444141 is a prime.

It is a super-2 number, since 2×88444397² = 15644822721387218, which contains 22 as substring.

Together with 88444399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88444399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44222198 + 44222199.

It is an arithmetic number, because the mean of its divisors is an integer number (44222199).

Almost surely, 2^88444397 is an apocalyptic number.

It is an amenable number.

88444397 is a deficient number, since it is larger than the sum of its proper divisors (1).

88444397 is an equidigital number, since it uses as much as digits as its factorization.

88444397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The square root of 88444397 is about 9404.4881306746. The cubic root of 88444397 is about 445.5434961854.

Subtracting from 88444397 its reverse (79344488), we obtain a palindrome (9099909).

The spelling of 88444397 in words is "eighty-eight million, four hundred forty-four thousand, three hundred ninety-seven".