82561848 has 16 divisors (see below), whose sum is σ = 206404680. Its totient is φ = 27520608.

The previous prime is 82561807. The next prime is 82561867. The reversal of 82561848 is 84816528.

It is a congruent 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, 1720015 + ... + 1720062.

Almost surely, 2^82561848 is an apocalyptic number.

It is an amenable number.

82561848 is an abundant number, since it is smaller than the sum of its proper divisors (123842832).

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

82561848 is a wasteful number, since it uses less digits than its factorization.

82561848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440086 (or 3440082 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 82561848 is about 9086.3550447911. The cubic root of 82561848 is about 435.4381422413.

The spelling of 82561848 in words is "eighty-two million, five hundred sixty-one thousand, eight hundred forty-eight".