448788861 has 24 divisors (see below), whose sum is σ = 656747520. Its totient is φ = 295293600.

The previous prime is 448788841. The next prime is 448788887. The reversal of 448788861 is 168887844.

448788861 is a `hidden beast` number, since 4 + 487 + 88 + 86 + 1 = 666.

It is not a de Polignac number, because 448788861 - 2⁷ = 448788733 is a prime.

It is a super-2 number, since 2×448788861² = 402822883515354642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448788798 and 448788807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448788841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304356 + ... + 305826.

It is an arithmetic number, because the mean of its divisors is an integer number (27364480).

Almost surely, 2^448788861 is an apocalyptic number.

It is an amenable number.

448788861 is a deficient number, since it is larger than the sum of its proper divisors (207958659).

448788861 is a wasteful number, since it uses less digits than its factorization.

448788861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1894 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 448788861 is about 21184.6373818388. The cubic root of 448788861 is about 765.6213278536.

The spelling of 448788861 in words is "four hundred forty-eight million, seven hundred eighty-eight thousand, eight hundred sixty-one".