82128496 has 20 divisors (see below), whose sum is σ = 168484752. Its totient is φ = 38648576.

The previous prime is 82128481. The next prime is 82128499. The reversal of 82128496 is 69482128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82128499) 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 in 3 ways as a sum of consecutive naturals, for example, 150700 + ... + 151243.

Almost surely, 2^82128496 is an apocalyptic number.

It is an amenable number.

82128496 is an abundant number, since it is smaller than the sum of its proper divisors (86356256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82128496 is a wasteful number, since it uses less digits than its factorization.

82128496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301968 (or 301962 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 82128496 is about 9062.4773654890. The cubic root of 82128496 is about 434.6749604266.

The spelling of 82128496 in words is "eighty-two million, one hundred twenty-eight thousand, four hundred ninety-six".