82142206808 has 32 divisors (see below), whose sum is σ = 160728226560. Its totient is φ = 39281684640.

The previous prime is 82142206801. The next prime is 82142206813. The reversal of 82142206808 is 80860224128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82142206801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3859091 + ... + 3880317.

It is an arithmetic number, because the mean of its divisors is an integer number (5022757080).

Almost surely, 2^82142206808 is an apocalyptic number.

It is an amenable number.

82142206808 is a deficient number, since it is larger than the sum of its proper divisors (78586019752).

82142206808 is a wasteful number, since it uses less digits than its factorization.

82142206808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42287 (or 42283 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 82142206808 in words is "eighty-two billion, one hundred forty-two million, two hundred six thousand, eight hundred eight".