806776448 has 16 divisors (see below), whose sum is σ = 1607250210. Its totient is φ = 403388160.

The previous prime is 806776319. The next prime is 806776493. The reversal of 806776448 is 844677608.

It can be written as a sum of positive squares in only one way, i.e., 705008704 + 101767744 = 26552^2 + 10088^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 806776396 and 806776405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151343 + ... + 3151598.

Almost surely, 2^806776448 is an apocalyptic number.

It is an amenable number.

806776448 is a deficient number, since it is larger than the sum of its proper divisors (800473762).

806776448 is an equidigital number, since it uses as much as digits as its factorization.

806776448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302955 (or 6302943 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 806776448 is about 28403.8104486000. The cubic root of 806776448 is about 930.9315243395.

The spelling of 806776448 in words is "eight hundred six million, seven hundred seventy-six thousand, four hundred forty-eight".