89804867 has 2 divisors, whose sum is σ = 89804868. Its totient is φ = 89804866.

The previous prime is 89804839. The next prime is 89804873. The reversal of 89804867 is 76840898.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89804867 is a prime.

It is not a weakly prime, because it can be changed into another prime (89804807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44902433 + 44902434.

It is an arithmetic number, because the mean of its divisors is an integer number (44902434).

Almost surely, 2^89804867 is an apocalyptic number.

89804867 is a deficient number, since it is larger than the sum of its proper divisors (1).

89804867 is an equidigital number, since it uses as much as digits as its factorization.

89804867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 89804867 is about 9476.5429878200. The cubic root of 89804867 is about 447.8163625420.

The spelling of 89804867 in words is "eighty-nine million, eight hundred four thousand, eight hundred sixty-seven".