89744407 has 2 divisors, whose sum is σ = 89744408. Its totient is φ = 89744406.

The previous prime is 89744401. The next prime is 89744461. The reversal of 89744407 is 70444798.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89744407 - 2¹⁵ = 89711639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89744401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44872203 + 44872204.

It is an arithmetic number, because the mean of its divisors is an integer number (44872204).

Almost surely, 2^89744407 is an apocalyptic number.

89744407 is a deficient number, since it is larger than the sum of its proper divisors (1).

89744407 is an equidigital number, since it uses as much as digits as its factorization.

89744407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 89744407 is about 9473.3524688993. The cubic root of 89744407 is about 447.7158443985.

The spelling of 89744407 in words is "eighty-nine million, seven hundred forty-four thousand, four hundred seven".