8485554971 has 2 divisors, whose sum is σ = 8485554972. Its totient is φ = 8485554970.

The previous prime is 8485554929. The next prime is 8485555009. The reversal of 8485554971 is 1794555848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8485554971 - 2¹⁴ = 8485538587 is a prime.

It is not a weakly prime, because it can be changed into another prime (8485554271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4242777485 + 4242777486.

It is an arithmetic number, because the mean of its divisors is an integer number (4242777486).

Almost surely, 2^8485554971 is an apocalyptic number.

8485554971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8485554971 is an equidigital number, since it uses as much as digits as its factorization.

8485554971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 56.

The square root of 8485554971 is about 92117.0720930708. The cubic root of 8485554971 is about 2039.6708243539.

The spelling of 8485554971 in words is "eight billion, four hundred eighty-five million, five hundred fifty-four thousand, nine hundred seventy-one".