854436971 has 2 divisors, whose sum is σ = 854436972. Its totient is φ = 854436970.

The previous prime is 854436953. The next prime is 854436991. The reversal of 854436971 is 179634458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 854436971 - 2⁶ = 854436907 is a prime.

It is not a weakly prime, because it can be changed into another prime (854436901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427218485 + 427218486.

It is an arithmetic number, because the mean of its divisors is an integer number (427218486).

Almost surely, 2^854436971 is an apocalyptic number.

854436971 is a deficient number, since it is larger than the sum of its proper divisors (1).

854436971 is an equidigital number, since it uses as much as digits as its factorization.

854436971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 854436971 is about 29230.7538561700. The cubic root of 854436971 is about 948.9136135220.

The spelling of 854436971 in words is "eight hundred fifty-four million, four hundred thirty-six thousand, nine hundred seventy-one".