98677988249 has 6 divisors (see below), whose sum is σ = 99799195470. Its totient is φ = 97569238976.

The previous prime is 98677988239. The next prime is 98677988257. The reversal of 98677988249 is 94288977689.

It can be written as a sum of positive squares in 3 ways, for example, as 8020993600 + 90656994649 = 89560^2 + 301093^2 .

It is a de Polignac number, because none of the positive numbers 2^k-98677988249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98677988249.

It is not an unprimeable number, because it can be changed into a prime (98677988239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6220964 + ... + 6236805.

It is an arithmetic number, because the mean of its divisors is an integer number (16633199245).

Almost surely, 2^98677988249 is an apocalyptic number.

It is an amenable number.

98677988249 is a deficient number, since it is larger than the sum of its proper divisors (1121207221).

98677988249 is an equidigital number, since it uses as much as digits as its factorization.

98677988249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457947 (or 12457858 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 77.

The spelling of 98677988249 in words is "ninety-eight billion, six hundred seventy-seven million, nine hundred eighty-eight thousand, two hundred forty-nine".