82067978086 has 8 divisors (see below), whose sum is σ = 123109174584. Its totient is φ = 41031586560.

The previous prime is 82067978081. The next prime is 82067978089. The reversal of 82067978086 is 68087976028.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82067978081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158235 + ... + 1227046.

It is an arithmetic number, because the mean of its divisors is an integer number (15388646823).

Almost surely, 2^82067978086 is an apocalyptic number.

82067978086 is a deficient number, since it is larger than the sum of its proper divisors (41041196498).

82067978086 is a wasteful number, since it uses less digits than its factorization.

82067978086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402486.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 82067978086 in words is "eighty-two billion, sixty-seven million, nine hundred seventy-eight thousand, eighty-six".