448791665 has 8 divisors (see below), whose sum is σ = 615485760. Its totient is φ = 307742832.

The previous prime is 448791631. The next prime is 448791671. The reversal of 448791665 is 566197844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448791665 - 2¹⁴ = 448775281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6411275 + ... + 6411344.

It is an arithmetic number, because the mean of its divisors is an integer number (76935720).

Almost surely, 2^448791665 is an apocalyptic number.

It is an amenable number.

448791665 is a deficient number, since it is larger than the sum of its proper divisors (166694095).

448791665 is a wasteful number, since it uses less digits than its factorization.

448791665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822631.

The product of its digits is 1451520, while the sum is 50.

The square root of 448791665 is about 21184.7035617683. The cubic root of 448791665 is about 765.6229223656.

The spelling of 448791665 in words is "four hundred forty-eight million, seven hundred ninety-one thousand, six hundred sixty-five".