98776455467789 has 12 divisors (see below), whose sum is σ = 108572764416480. Its totient is φ = 89796532194600.

The previous prime is 98776455467773. The next prime is 98776455467797.

98776455467789 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98776455467789 - 2⁴ = 98776455467773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98776455467698 and 98776455467707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98776455467089) 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, 54893024 + ... + 56663894.

It is an arithmetic number, because the mean of its divisors is an integer number (9047730368040).

Almost surely, 2^{98776455467789} is an apocalyptic number.

It is an amenable number.

98776455467789 is a deficient number, since it is larger than the sum of its proper divisors (9796308948691).

98776455467789 is a wasteful number, since it uses less digits than its factorization.

98776455467789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231872 (or 2231861 counting only the distinct ones).

The product of its digits is 179233689600, while the sum is 92.

The spelling of 98776455467789 in words is "ninety-eight trillion, seven hundred seventy-six billion, four hundred fifty-five million, four hundred sixty-seven thousand, seven hundred eighty-nine".