98609479 has 2 divisors, whose sum is σ = 98609480. Its totient is φ = 98609478.

The previous prime is 98609471. The next prime is 98609501. The reversal of 98609479 is 97490689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98609479 - 2³ = 98609471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98609471) 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, 49304739 + 49304740.

It is an arithmetic number, because the mean of its divisors is an integer number (49304740).

Almost surely, 2^98609479 is an apocalyptic number.

98609479 is a deficient number, since it is larger than the sum of its proper divisors (1).

98609479 is an equidigital number, since it uses as much as digits as its factorization.

98609479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 98609479 is about 9930.2305612710. The cubic root of 98609479 is about 461.9974247590.

The spelling of 98609479 in words is "ninety-eight million, six hundred nine thousand, four hundred seventy-nine".