448846979 has 4 divisors (see below), whose sum is σ = 512967984. Its totient is φ = 384725976.

The previous prime is 448846969. The next prime is 448846987. The reversal of 448846979 is 979648844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448846979 - 2¹² = 448842883 is a prime.

It is a super-2 number, since 2×448846979² = 402927221114852882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448846969) 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 in 3 ways as a sum of consecutive naturals, for example, 32060492 + ... + 32060505.

It is an arithmetic number, because the mean of its divisors is an integer number (128241996).

Almost surely, 2^448846979 is an apocalyptic number.

448846979 is a deficient number, since it is larger than the sum of its proper divisors (64121005).

448846979 is an equidigital number, since it uses as much as digits as its factorization.

448846979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64121004.

The product of its digits is 13934592, while the sum is 59.

The square root of 448846979 is about 21186.0090389861. The cubic root of 448846979 is about 765.6543756581.

The spelling of 448846979 in words is "four hundred forty-eight million, eight hundred forty-six thousand, nine hundred seventy-nine".