82479808 has 56 divisors (see below), whose sum is σ = 171149264. Its totient is φ = 39398400.

The previous prime is 82479791. The next prime is 82479821. The reversal of 82479808 is 80897428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144163 + ... + 144733.

Almost surely, 2^82479808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82479808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85574632).

82479808 is an abundant number, since it is smaller than the sum of its proper divisors (88669456).

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

82479808 is a wasteful number, since it uses less digits than its factorization.

82479808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 82479808 is about 9081.8394612545. The cubic root of 82479808 is about 435.2938658186.

The spelling of 82479808 in words is "eighty-two million, four hundred seventy-nine thousand, eight hundred eight".