447207077 has 2 divisors, whose sum is σ = 447207078. Its totient is φ = 447207076.

The previous prime is 447207067. The next prime is 447207091. The reversal of 447207077 is 770702744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347486881 + 99720196 = 18641^2 + 9986^2 .

It is a cyclic number.

It is not a de Polignac number, because 447207077 - 2¹⁴ = 447190693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447207077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447207067) 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, 223603538 + 223603539.

It is an arithmetic number, because the mean of its divisors is an integer number (223603539).

Almost surely, 2^447207077 is an apocalyptic number.

It is an amenable number.

447207077 is a deficient number, since it is larger than the sum of its proper divisors (1).

447207077 is an equidigital number, since it uses as much as digits as its factorization.

447207077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 447207077 is about 21147.2711478337. The cubic root of 447207077 is about 764.7207758210.

The spelling of 447207077 in words is "four hundred forty-seven million, two hundred seven thousand, seventy-seven".