447422477 has 2 divisors, whose sum is σ = 447422478. Its totient is φ = 447422476.

The previous prime is 447422471. The next prime is 447422497. The reversal of 447422477 is 774224744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363626761 + 83795716 = 19069^2 + 9154^2 .

It is a cyclic number.

It is not a de Polignac number, because 447422477 - 2⁶ = 447422413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447422471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223711238 + 223711239.

It is an arithmetic number, because the mean of its divisors is an integer number (223711239).

Almost surely, 2^447422477 is an apocalyptic number.

It is an amenable number.

447422477 is a deficient number, since it is larger than the sum of its proper divisors (1).

447422477 is an equidigital number, since it uses as much as digits as its factorization.

447422477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 351232, while the sum is 41.

The square root of 447422477 is about 21152.3633904110. The cubic root of 447422477 is about 764.8435335801.

The spelling of 447422477 in words is "four hundred forty-seven million, four hundred twenty-two thousand, four hundred seventy-seven".