82678636 has 6 divisors (see below), whose sum is σ = 144687620. Its totient is φ = 41339316.

The previous prime is 82678627. The next prime is 82678639. The reversal of 82678636 is 63687628.

It is not an unprimeable number, because it can be changed into a prime (82678639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10334826 + ... + 10334833.

Almost surely, 2^82678636 is an apocalyptic number.

It is an amenable number.

82678636 is a deficient number, since it is larger than the sum of its proper divisors (62008984).

82678636 is a wasteful number, since it uses less digits than its factorization.

82678636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20669663 (or 20669661 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 82678636 is about 9092.7793330752. The cubic root of 82678636 is about 435.6433620908.

The spelling of 82678636 in words is "eighty-two million, six hundred seventy-eight thousand, six hundred thirty-six".