82776244 has 6 divisors (see below), whose sum is σ = 144858434. Its totient is φ = 41388120.

The previous prime is 82776227. The next prime is 82776257. The reversal of 82776244 is 44267728.

It can be written as a sum of positive squares in only one way, i.e., 75690000 + 7086244 = 8700^2 + 2662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82776197 and 82776206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10347027 + ... + 10347034.

Almost surely, 2^82776244 is an apocalyptic number.

It is an amenable number.

82776244 is a deficient number, since it is larger than the sum of its proper divisors (62082190).

82776244 is a wasteful number, since it uses less digits than its factorization.

82776244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20694065 (or 20694063 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 82776244 is about 9098.1450856754. The cubic root of 82776244 is about 435.8147306442.

The spelling of 82776244 in words is "eighty-two million, seven hundred seventy-six thousand, two hundred forty-four".