448728277 has 6 divisors (see below), whose sum is σ = 476677058. Its totient is φ = 422332224.

The previous prime is 448728239. The next prime is 448728283. The reversal of 448728277 is 772827844.

It can be written as a sum of positive squares in 3 ways, for example, as 261339556 + 187388721 = 16166^2 + 13689^2 .

It is not a de Polignac number, because 448728277 - 2¹⁹ = 448203989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448728277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448728677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776058 + ... + 776635.

Almost surely, 2^448728277 is an apocalyptic number.

It is an amenable number.

448728277 is a deficient number, since it is larger than the sum of its proper divisors (27948781).

448728277 is a wasteful number, since it uses less digits than its factorization.

448728277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552727 (or 1552710 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 49.

The square root of 448728277 is about 21183.2074294711. The cubic root of 448728277 is about 765.5868747629.

The spelling of 448728277 in words is "four hundred forty-eight million, seven hundred twenty-eight thousand, two hundred seventy-seven".