98639938267 has 4 divisors (see below), whose sum is σ = 106227625840. Its totient is φ = 91052250696.

The previous prime is 98639938237. The next prime is 98639938303. The reversal of 98639938267 is 76283993689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98639938267 - 2²³ = 98631549659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98639938196 and 98639938205.

It is not an unprimeable number, because it can be changed into a prime (98639938217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793843767 + ... + 3793843792.

It is an arithmetic number, because the mean of its divisors is an integer number (26556906460).

Almost surely, 2^98639938267 is an apocalyptic number.

98639938267 is a deficient number, since it is larger than the sum of its proper divisors (7587687573).

98639938267 is a wasteful number, since it uses less digits than its factorization.

98639938267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587687572.

The product of its digits is 211631616, while the sum is 70.

The spelling of 98639938267 in words is "ninety-eight billion, six hundred thirty-nine million, nine hundred thirty-eight thousand, two hundred sixty-seven".