98817279 has 8 divisors (see below), whose sum is σ = 143734272. Its totient is φ = 59889240.

The previous prime is 98817259. The next prime is 98817287. The reversal of 98817279 is 97271889.

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

It is not a de Polignac number, because 98817279 - 2⁷ = 98817151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98817259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497199 + ... + 1497264.

It is an arithmetic number, because the mean of its divisors is an integer number (17966784).

Almost surely, 2^98817279 is an apocalyptic number.

98817279 is a deficient number, since it is larger than the sum of its proper divisors (44916993).

98817279 is a wasteful number, since it uses less digits than its factorization.

98817279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994477.

The product of its digits is 508032, while the sum is 51.

The square root of 98817279 is about 9940.6880546570. The cubic root of 98817279 is about 462.3217198432.

The spelling of 98817279 in words is "ninety-eight million, eight hundred seventeen thousand, two hundred seventy-nine".