445682779 has 2 divisors, whose sum is σ = 445682780. Its totient is φ = 445682778.

The previous prime is 445682749. The next prime is 445682803. The reversal of 445682779 is 977286544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445682779 - 2⁵ = 445682747 is a prime.

It is not a weakly prime, because it can be changed into another prime (445682729) 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, 222841389 + 222841390.

It is an arithmetic number, because the mean of its divisors is an integer number (222841390).

Almost surely, 2^445682779 is an apocalyptic number.

445682779 is a deficient number, since it is larger than the sum of its proper divisors (1).

445682779 is an equidigital number, since it uses as much as digits as its factorization.

445682779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The square root of 445682779 is about 21111.2003211565. The cubic root of 445682779 is about 763.8509407169.

The spelling of 445682779 in words is "four hundred forty-five million, six hundred eighty-two thousand, seven hundred seventy-nine".