82657568 has 24 divisors (see below), whose sum is σ = 185980032. Its totient is φ = 35424576.

The previous prime is 82657559. The next prime is 82657583. The reversal of 82657568 is 86575628.

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, 184280 + ... + 184727.

It is an arithmetic number, because the mean of its divisors is an integer number (7749168).

Almost surely, 2^82657568 is an apocalyptic number.

It is an amenable number.

82657568 is an abundant number, since it is smaller than the sum of its proper divisors (103322464).

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

82657568 is a wasteful number, since it uses less digits than its factorization.

82657568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369024 (or 369016 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 82657568 is about 9091.6207575987. The cubic root of 82657568 is about 435.6063556988.

The spelling of 82657568 in words is "eighty-two million, six hundred fifty-seven thousand, five hundred sixty-eight".