98889526487 has 2 divisors, whose sum is σ = 98889526488. Its totient is φ = 98889526486.

The previous prime is 98889526481. The next prime is 98889526501. The reversal of 98889526487 is 78462598889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98889526487 - 2¹⁶ = 98889460951 is a prime.

It is a super-2 number, since 2×98889526487² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98889526481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49444763243 + 49444763244.

It is an arithmetic number, because the mean of its divisors is an integer number (49444763244).

Almost surely, 2^98889526487 is an apocalyptic number.

98889526487 is a deficient number, since it is larger than the sum of its proper divisors (1).

98889526487 is an equidigital number, since it uses as much as digits as its factorization.

98889526487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 557383680, while the sum is 74.

The spelling of 98889526487 in words is "ninety-eight billion, eight hundred eighty-nine million, five hundred twenty-six thousand, four hundred eighty-seven".