82709826 has 8 divisors (see below), whose sum is σ = 165419664. Its totient is φ = 27569940.

The previous prime is 82709819. The next prime is 82709843. The reversal of 82709826 is 62890728.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

82709826 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6892480 + ... + 6892491.

It is an arithmetic number, because the mean of its divisors is an integer number (20677458).

Almost surely, 2^82709826 is an apocalyptic number.

82709826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82709826 is a wasteful number, since it uses less digits than its factorization.

82709826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784976.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 82709826 is about 9094.4942685121. The cubic root of 82709826 is about 435.6981364511.

The spelling of 82709826 in words is "eighty-two million, seven hundred nine thousand, eight hundred twenty-six".