828580782 has 16 divisors (see below), whose sum is σ = 1754641872. Its totient is φ = 259946880.

The previous prime is 828580777. The next prime is 828580787. The reversal of 828580782 is 287085828.

It is a happy number.

828580782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (828580777) and next prime (828580787).

It is a super-2 number, since 2×828580782² = 1373092224599463048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828580787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061569 + ... + 4061772.

It is an arithmetic number, because the mean of its divisors is an integer number (109665117).

Almost surely, 2^828580782 is an apocalyptic number.

828580782 is an abundant number, since it is smaller than the sum of its proper divisors (926061090).

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

828580782 is a wasteful number, since it uses less digits than its factorization.

828580782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123363.

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 828580782 is about 28785.0791557015. The cubic root of 828580782 is about 939.2436884610.

The spelling of 828580782 in words is "eight hundred twenty-eight million, five hundred eighty thousand, seven hundred eighty-two".