82866208408 has 16 divisors (see below), whose sum is σ = 155773566000. Its totient is φ = 41326590816.

The previous prime is 82866208319. The next prime is 82866208417. The reversal of 82866208408 is 80480266828.

It is a congruent number.

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, 13310868 + ... + 13317091.

It is an arithmetic number, because the mean of its divisors is an integer number (9735847875).

Almost surely, 2^82866208408 is an apocalyptic number.

It is an amenable number.

82866208408 is a deficient number, since it is larger than the sum of its proper divisors (72907357592).

82866208408 is a wasteful number, since it uses less digits than its factorization.

82866208408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26628354 (or 26628350 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 82866208408 in words is "eighty-two billion, eight hundred sixty-six million, two hundred eight thousand, four hundred eight".