445448677 has 2 divisors, whose sum is σ = 445448678. Its totient is φ = 445448676.

The previous prime is 445448651. The next prime is 445448693. The reversal of 445448677 is 776844544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282273601 + 163175076 = 16801^2 + 12774^2 .

It is a cyclic number.

It is not a de Polignac number, because 445448677 - 2²³ = 437060069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445448677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445448177) 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, 222724338 + 222724339.

It is an arithmetic number, because the mean of its divisors is an integer number (222724339).

Almost surely, 2^445448677 is an apocalyptic number.

It is an amenable number.

445448677 is a deficient number, since it is larger than the sum of its proper divisors (1).

445448677 is an equidigital number, since it uses as much as digits as its factorization.

445448677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3010560, while the sum is 49.

The square root of 445448677 is about 21105.6550952582. The cubic root of 445448677 is about 763.7171756568.

The spelling of 445448677 in words is "four hundred forty-five million, four hundred forty-eight thousand, six hundred seventy-seven".