88809269 has 2 divisors, whose sum is σ = 88809270. Its totient is φ = 88809268.

The previous prime is 88809263. The next prime is 88809271. The reversal of 88809269 is 96290888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71487025 + 17322244 = 8455^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 88809269 - 2⁸ = 88809013 is a prime.

It is a super-2 number, since 2×88809269² = 15774172520628722, which contains 22 as substring.

Together with 88809271, 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 (88809263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44404634 + 44404635.

It is an arithmetic number, because the mean of its divisors is an integer number (44404635).

Almost surely, 2^88809269 is an apocalyptic number.

It is an amenable number.

88809269 is a deficient number, since it is larger than the sum of its proper divisors (1).

88809269 is an equidigital number, since it uses as much as digits as its factorization.

88809269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 88809269 is about 9423.8669876012. The cubic root of 88809269 is about 446.1553431403.

The spelling of 88809269 in words is "eighty-eight million, eight hundred nine thousand, two hundred sixty-nine".