88008409 has 2 divisors, whose sum is σ = 88008410. Its totient is φ = 88008408.

The previous prime is 88008397. The next prime is 88008413. The reversal of 88008409 is 90480088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81956809 + 6051600 = 9053^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 88008409 - 2¹³ = 88000217 is a prime.

It is a super-2 number, since 2×88008409² = 15490960109422562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88008709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44004204 + 44004205.

It is an arithmetic number, because the mean of its divisors is an integer number (44004205).

Almost surely, 2^88008409 is an apocalyptic number.

It is an amenable number.

88008409 is a deficient number, since it is larger than the sum of its proper divisors (1).

88008409 is an equidigital number, since it uses as much as digits as its factorization.

88008409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 88008409 is about 9381.2797101462. The cubic root of 88008409 is about 444.8101854267.

The spelling of 88008409 in words is "eighty-eight million, eight thousand, four hundred nine".