88684069 has 2 divisors, whose sum is σ = 88684070. Its totient is φ = 88684068.

The previous prime is 88684051. The next prime is 88684097. The reversal of 88684069 is 96048688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 35247969 = 7310^2 + 5937^2 .

It is a cyclic number.

It is not a de Polignac number, because 88684069 - 2⁷ = 88683941 is a prime.

It is a super-2 number, since 2×88684069² = 15729728188793522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88684369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44342034 + 44342035.

It is an arithmetic number, because the mean of its divisors is an integer number (44342035).

Almost surely, 2^88684069 is an apocalyptic number.

It is an amenable number.

88684069 is a deficient number, since it is larger than the sum of its proper divisors (1).

88684069 is an equidigital number, since it uses as much as digits as its factorization.

88684069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 88684069 is about 9417.2219364311. The cubic root of 88684069 is about 445.9455868115.

The spelling of 88684069 in words is "eighty-eight million, six hundred eighty-four thousand, sixty-nine".