89440067 has 2 divisors, whose sum is σ = 89440068. Its totient is φ = 89440066.

The previous prime is 89440061. The next prime is 89440103. The reversal of 89440067 is 76004498.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89440067 - 2⁴ = 89440051 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89440067.

It is not a weakly prime, because it can be changed into another prime (89440061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44720033 + 44720034.

It is an arithmetic number, because the mean of its divisors is an integer number (44720034).

Almost surely, 2^89440067 is an apocalyptic number.

89440067 is a deficient number, since it is larger than the sum of its proper divisors (1).

89440067 is an equidigital number, since it uses as much as digits as its factorization.

89440067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 89440067 is about 9457.2758762764. The cubic root of 89440067 is about 447.2091752896.

The spelling of 89440067 in words is "eighty-nine million, four hundred forty thousand, sixty-seven".