89310479 has 2 divisors, whose sum is σ = 89310480. Its totient is φ = 89310478.

The previous prime is 89310461. The next prime is 89310491. The reversal of 89310479 is 97401398.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89310479 - 2⁸ = 89310223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89310409) 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, 44655239 + 44655240.

It is an arithmetic number, because the mean of its divisors is an integer number (44655240).

Almost surely, 2^89310479 is an apocalyptic number.

89310479 is a deficient number, since it is larger than the sum of its proper divisors (1).

89310479 is an equidigital number, since it uses as much as digits as its factorization.

89310479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 89310479 is about 9450.4221598826. The cubic root of 89310479 is about 446.9930866242.

The spelling of 89310479 in words is "eighty-nine million, three hundred ten thousand, four hundred seventy-nine".