447665726323065 has 64 divisors (see below), whose sum is σ = 734938946562816. Its totient is φ = 232622766047232.

The previous prime is 447665726323061. The next prime is 447665726323069. The reversal of 447665726323065 is 560323627566744.

It is an interprime number because it is at equal distance from previous prime (447665726323061) and next prime (447665726323069).

It is not a de Polignac number, because 447665726323065 - 2² = 447665726323061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447665726322987 and 447665726323005.

It is not an unprimeable number, because it can be changed into a prime (447665726323061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35947327 + ... + 46771163.

It is an arithmetic number, because the mean of its divisors is an integer number (11483421040044).

Almost surely, 2^{447665726323065} is an apocalyptic number.

It is an amenable number.

447665726323065 is a deficient number, since it is larger than the sum of its proper divisors (287273220239751).

447665726323065 is a wasteful number, since it uses less digits than its factorization.

447665726323065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824378.

The product of its (nonzero) digits is 914457600, while the sum is 66.

The spelling of 447665726323065 in words is "four hundred forty-seven trillion, six hundred sixty-five billion, seven hundred twenty-six million, three hundred twenty-three thousand, sixty-five".