445677983 has 2 divisors, whose sum is σ = 445677984. Its totient is φ = 445677982.

The previous prime is 445677971. The next prime is 445678033. The reversal of 445677983 is 389776544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445677983 - 2⁶ = 445677919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445677383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222838991 + 222838992.

It is an arithmetic number, because the mean of its divisors is an integer number (222838992).

Almost surely, 2^445677983 is an apocalyptic number.

445677983 is a deficient number, since it is larger than the sum of its proper divisors (1).

445677983 is an equidigital number, since it uses as much as digits as its factorization.

445677983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The square root of 445677983 is about 21111.0867318573. The cubic root of 445677983 is about 763.8482007694.

The spelling of 445677983 in words is "four hundred forty-five million, six hundred seventy-seven thousand, nine hundred eighty-three".