98129479 has 8 divisors (see below), whose sum is σ = 113259168. Its totient is φ = 83277600.

The previous prime is 98129459. The next prime is 98129503. The reversal of 98129479 is 97492189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98129479 - 2²⁵ = 64575047 is a prime.

It is a super-2 number, since 2×98129479² = 19258789297622882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98129429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68692 + ... + 70105.

It is an arithmetic number, because the mean of its divisors is an integer number (14157396).

Almost surely, 2^98129479 is an apocalyptic number.

98129479 is a deficient number, since it is larger than the sum of its proper divisors (15129689).

98129479 is a wasteful number, since it uses less digits than its factorization.

98129479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138905.

The product of its digits is 326592, while the sum is 49.

The square root of 98129479 is about 9906.0324550246. The cubic root of 98129479 is about 461.2465856588.

It can be divided in two parts, 9812 and 9479, that added together give a palindrome (19291).

The spelling of 98129479 in words is "ninety-eight million, one hundred twenty-nine thousand, four hundred seventy-nine".