98847979 has 16 divisors (see below), whose sum is σ = 111218400. Its totient is φ = 87381504.

The previous prime is 98847971. The next prime is 98847989. The reversal of 98847979 is 97974889.

It is a cyclic number.

It is not a de Polignac number, because 98847979 - 2³ = 98847971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98847971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15532 + ... + 20950.

It is an arithmetic number, because the mean of its divisors is an integer number (6951150).

Almost surely, 2^98847979 is an apocalyptic number.

98847979 is a deficient number, since it is larger than the sum of its proper divisors (12370421).

98847979 is a wasteful number, since it uses less digits than its factorization.

98847979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502.

The product of its digits is 9144576, while the sum is 61.

The square root of 98847979 is about 9942.2320934486. The cubic root of 98847979 is about 462.3695920621.

The spelling of 98847979 in words is "ninety-eight million, eight hundred forty-seven thousand, nine hundred seventy-nine".