98798889789 has 12 divisors (see below), whose sum is σ = 144719501472. Its totient is φ = 64938237000.

The previous prime is 98798889751. The next prime is 98798889803.

98798889789 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98798889789 - 2⁷ = 98798889661 is a prime.

It is a super-2 number, since 2×98798889789² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98798889699 and 98798889708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98798889989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77306787 + ... + 77308064.

It is an arithmetic number, because the mean of its divisors is an integer number (12059958456).

Almost surely, 2^98798889789 is an apocalyptic number.

It is an amenable number.

98798889789 is a deficient number, since it is larger than the sum of its proper divisors (45920611683).

98798889789 is a wasteful number, since it uses less digits than its factorization.

98798889789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154614928 (or 154614925 counting only the distinct ones).

The product of its digits is 10534551552, while the sum is 90.

The spelling of 98798889789 in words is "ninety-eight billion, seven hundred ninety-eight million, eight hundred eighty-nine thousand, seven hundred eighty-nine".