98877599572889 has 2 divisors, whose sum is σ = 98877599572890. Its totient is φ = 98877599572888.

The previous prime is 98877599572859. The next prime is 98877599572907. The reversal of 98877599572889 is 98827599577889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94911766299289 + 3965833273600 = 9742267^2 + 1991440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98877599572889 is a prime.

It is not a weakly prime, because it can be changed into another prime (98877599572859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438799786444 + 49438799786445.

It is an arithmetic number, because the mean of its divisors is an integer number (49438799786445).

Almost surely, 2^{98877599572889} is an apocalyptic number.

It is an amenable number.

98877599572889 is a deficient number, since it is larger than the sum of its proper divisors (1).

98877599572889 is an equidigital number, since it uses as much as digits as its factorization.

98877599572889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460886630400, while the sum is 101.

The spelling of 98877599572889 in words is "ninety-eight trillion, eight hundred seventy-seven billion, five hundred ninety-nine million, five hundred seventy-two thousand, eight hundred eighty-nine".