98577877589 has 2 divisors, whose sum is σ = 98577877590. Its totient is φ = 98577877588.

The previous prime is 98577877579. The next prime is 98577877603.

98577877589 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93211143025 + 5366734564 = 305305^2 + 73258^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98577877589 - 2³⁶ = 29858400853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98577877579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49288938794 + 49288938795.

It is an arithmetic number, because the mean of its divisors is an integer number (49288938795).

Almost surely, 2^98577877589 is an apocalyptic number.

It is an amenable number.

98577877589 is a deficient number, since it is larger than the sum of its proper divisors (1).

98577877589 is an equidigital number, since it uses as much as digits as its factorization.

98577877589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2489356800, while the sum is 80.

The spelling of 98577877589 in words is "ninety-eight billion, five hundred seventy-seven million, eight hundred seventy-seven thousand, five hundred eighty-nine".