82128248 has 32 divisors (see below), whose sum is σ = 158427360. Its totient is φ = 39889920.

The previous prime is 82128229. The next prime is 82128257. The reversal of 82128248 is 84282128.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110165 + ... + 110907.

It is an arithmetic number, because the mean of its divisors is an integer number (4950855).

Almost surely, 2^82128248 is an apocalyptic number.

It is an amenable number.

82128248 is a deficient number, since it is larger than the sum of its proper divisors (76299112).

82128248 is a wasteful number, since it uses less digits than its factorization.

82128248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1123 counting only the distinct ones).

The product of its digits is 16384, while the sum is 35.

The square root of 82128248 is about 9062.4636826859. The cubic root of 82128248 is about 434.6745229028.

The spelling of 82128248 in words is "eighty-two million, one hundred twenty-eight thousand, two hundred forty-eight".