985526999971 has 2 divisors, whose sum is σ = 985526999972. Its totient is φ = 985526999970.

The previous prime is 985526999923. The next prime is 985526999993. The reversal of 985526999971 is 179999625589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985526999971 - 2¹⁹ = 985526475683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985526999891 and 985526999900.

It is not a weakly prime, because it can be changed into another prime (985526999071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492763499985 + 492763499986.

It is an arithmetic number, because the mean of its divisors is an integer number (492763499986).

Almost surely, 2^985526999971 is an apocalyptic number.

985526999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

985526999971 is an equidigital number, since it uses as much as digits as its factorization.

985526999971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 992023200, while the sum is 79.

The spelling of 985526999971 in words is "nine hundred eighty-five billion, five hundred twenty-six million, nine hundred ninety-nine thousand, nine hundred seventy-one".