485671999 has 2 divisors, whose sum is σ = 485672000. Its totient is φ = 485671998.

The previous prime is 485671973. The next prime is 485672023. The reversal of 485671999 is 999176584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485671999 - 2⁷ = 485671871 is a prime.

It is a super-2 number, since 2×485671999² = 471754581225312002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485671909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242835999 + 242836000.

It is an arithmetic number, because the mean of its divisors is an integer number (242836000).

Almost surely, 2^485671999 is an apocalyptic number.

485671999 is a deficient number, since it is larger than the sum of its proper divisors (1).

485671999 is an equidigital number, since it uses as much as digits as its factorization.

485671999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 485671999 is about 22037.9672156939. The cubic root of 485671999 is about 786.0455048361.

The spelling of 485671999 in words is "four hundred eighty-five million, six hundred seventy-one thousand, nine hundred ninety-nine".