448861777 has 32 divisors (see below), whose sum is σ = 563112704. Its totient is φ = 348364800.

The previous prime is 448861771. The next prime is 448861789. The reversal of 448861777 is 777168844.

It is not a de Polignac number, because 448861777 - 2³ = 448861769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448861771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862377 + ... + 1862617.

It is an arithmetic number, because the mean of its divisors is an integer number (17597272).

Almost surely, 2^448861777 is an apocalyptic number.

It is an amenable number.

448861777 is a deficient number, since it is larger than the sum of its proper divisors (114250927).

448861777 is a wasteful number, since it uses less digits than its factorization.

448861777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its digits is 2107392, while the sum is 52.

The square root of 448861777 is about 21186.3582760228. The cubic root of 448861777 is about 765.6627898315.

The spelling of 448861777 in words is "four hundred forty-eight million, eight hundred sixty-one thousand, seven hundred seventy-seven".