82678568 has 16 divisors (see below), whose sum is σ = 177168480. Its totient is φ = 35433648.

The previous prime is 82678567. The next prime is 82678619. The reversal of 82678568 is 86587628.

It is not an unprimeable number, because it can be changed into a prime (82678567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738146 + ... + 738257.

It is an arithmetic number, because the mean of its divisors is an integer number (11073030).

Almost surely, 2^82678568 is an apocalyptic number.

It is an amenable number.

82678568 is an abundant number, since it is smaller than the sum of its proper divisors (94489912).

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

82678568 is a wasteful number, since it uses less digits than its factorization.

82678568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476416 (or 1476412 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 82678568 is about 9092.7755938437. The cubic root of 82678568 is about 435.6432426575.

The spelling of 82678568 in words is "eighty-two million, six hundred seventy-eight thousand, five hundred sixty-eight".