445794847 has 2 divisors, whose sum is σ = 445794848. Its totient is φ = 445794846.

The previous prime is 445794841. The next prime is 445794913. The reversal of 445794847 is 748497544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445794847 - 2⁷ = 445794719 is a prime.

It is a super-2 number, since 2×445794847² = 397466091223506818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445794794 and 445794803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445794841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222897423 + 222897424.

It is an arithmetic number, because the mean of its divisors is an integer number (222897424).

Almost surely, 2^445794847 is an apocalyptic number.

445794847 is a deficient number, since it is larger than the sum of its proper divisors (1).

445794847 is an equidigital number, since it uses as much as digits as its factorization.

445794847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 52.

The square root of 445794847 is about 21113.8543852135. The cubic root of 445794847 is about 763.9149593996.

The spelling of 445794847 in words is "four hundred forty-five million, seven hundred ninety-four thousand, eight hundred forty-seven".