82784308 has 6 divisors (see below), whose sum is σ = 144872546. Its totient is φ = 41392152.

The previous prime is 82784279. The next prime is 82784309. The reversal of 82784308 is 80348728.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 18335524 = 8028^2 + 4282^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82784309) by changing a digit.

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, 10348035 + ... + 10348042.

Almost surely, 2^82784308 is an apocalyptic number.

It is an amenable number.

82784308 is a deficient number, since it is larger than the sum of its proper divisors (62088238).

82784308 is a wasteful number, since it uses less digits than its factorization.

82784308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20696081 (or 20696079 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 82784308 is about 9098.5882421395. The cubic root of 82784308 is about 435.8288824334.

The spelling of 82784308 in words is "eighty-two million, seven hundred eighty-four thousand, three hundred eight".