447554983 has 2 divisors, whose sum is σ = 447554984. Its totient is φ = 447554982.

The previous prime is 447554977. The next prime is 447555001. The reversal of 447554983 is 389455744.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447554983 - 2²⁵ = 414000551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447557983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223777491 + 223777492.

It is an arithmetic number, because the mean of its divisors is an integer number (223777492).

Almost surely, 2^447554983 is an apocalyptic number.

447554983 is a deficient number, since it is larger than the sum of its proper divisors (1).

447554983 is an equidigital number, since it uses as much as digits as its factorization.

447554983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The square root of 447554983 is about 21155.4953380912. The cubic root of 447554983 is about 764.9190299766.

The spelling of 447554983 in words is "four hundred forty-seven million, five hundred fifty-four thousand, nine hundred eighty-three".