83280328 has 8 divisors (see below), whose sum is σ = 156150630. Its totient is φ = 41640160.

The previous prime is 83280319. The next prime is 83280359. The reversal of 83280328 is 82308238.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 3034564 = 8958^2 + 1742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×83280328² = 13871226063575168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83280293 and 83280302.

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, 5205013 + ... + 5205028.

Almost surely, 2^83280328 is an apocalyptic number.

It is an amenable number.

83280328 is a deficient number, since it is larger than the sum of its proper divisors (72870302).

83280328 is a wasteful number, since it uses less digits than its factorization.

83280328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410047 (or 10410043 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 83280328 is about 9125.8056082737. The cubic root of 83280328 is about 436.6976038787.

The spelling of 83280328 in words is "eighty-three million, two hundred eighty thousand, three hundred twenty-eight".