445782797 has 2 divisors, whose sum is σ = 445782798. Its totient is φ = 445782796.

The previous prime is 445782781. The next prime is 445782811. The reversal of 445782797 is 797287544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425225641 + 20557156 = 20621^2 + 4534^2 .

It is a cyclic number.

It is not a de Polignac number, because 445782797 - 2⁴ = 445782781 is a prime.

It is a super-2 number, since 2×445782797² = 397444604202286418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445782707) 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, 222891398 + 222891399.

It is an arithmetic number, because the mean of its divisors is an integer number (222891399).

Almost surely, 2^445782797 is an apocalyptic number.

It is an amenable number.

445782797 is a deficient number, since it is larger than the sum of its proper divisors (1).

445782797 is an equidigital number, since it uses as much as digits as its factorization.

445782797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3951360, while the sum is 53.

The square root of 445782797 is about 21113.5690256290. The cubic root of 445782797 is about 763.9080763694.

The spelling of 445782797 in words is "four hundred forty-five million, seven hundred eighty-two thousand, seven hundred ninety-seven".