98877477889 has 2 divisors, whose sum is σ = 98877477890. Its totient is φ = 98877477888.

The previous prime is 98877477863. The next prime is 98877477899.

98877477889 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86845143025 + 12032334864 = 294695^2 + 109692^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98877477889 is a prime.

It is not a weakly prime, because it can be changed into another prime (98877477899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438738944 + 49438738945.

It is an arithmetic number, because the mean of its divisors is an integer number (49438738945).

Almost surely, 2^98877477889 is an apocalyptic number.

It is an amenable number.

98877477889 is a deficient number, since it is larger than the sum of its proper divisors (1).

98877477889 is an equidigital number, since it uses as much as digits as its factorization.

98877477889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3186376704, while the sum is 82.

The spelling of 98877477889 in words is "ninety-eight billion, eight hundred seventy-seven million, four hundred seventy-seven thousand, eight hundred eighty-nine".