88454909 has 2 divisors, whose sum is σ = 88454910. Its totient is φ = 88454908.

The previous prime is 88454887. The next prime is 88454921. The reversal of 88454909 is 90945488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83265625 + 5189284 = 9125^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 88454909 - 2¹⁶ = 88389373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88454939) 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, 44227454 + 44227455.

It is an arithmetic number, because the mean of its divisors is an integer number (44227455).

Almost surely, 2^88454909 is an apocalyptic number.

It is an amenable number.

88454909 is a deficient number, since it is larger than the sum of its proper divisors (1).

88454909 is an equidigital number, since it uses as much as digits as its factorization.

88454909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 88454909 is about 9405.0469961612. The cubic root of 88454909 is about 445.5611470781.

The spelling of 88454909 in words is "eighty-eight million, four hundred fifty-four thousand, nine hundred nine".