89479207 has 2 divisors, whose sum is σ = 89479208. Its totient is φ = 89479206.

The previous prime is 89479199. The next prime is 89479213. The reversal of 89479207 is 70297498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89479207 - 2³ = 89479199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89479217) 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, 44739603 + 44739604.

It is an arithmetic number, because the mean of its divisors is an integer number (44739604).

Almost surely, 2^89479207 is an apocalyptic number.

89479207 is a deficient number, since it is larger than the sum of its proper divisors (1).

89479207 is an equidigital number, since it uses as much as digits as its factorization.

89479207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 89479207 is about 9459.3449561796. The cubic root of 89479207 is about 447.2744003990.

The spelling of 89479207 in words is "eighty-nine million, four hundred seventy-nine thousand, two hundred seven".