82786813635824 has 40 divisors (see below), whose sum is σ = 160768911193632. Its totient is φ = 41298114159360.

The previous prime is 82786813635817. The next prime is 82786813635847. The reversal of 82786813635824 is 42853631868728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23983802 + ... + 27217574.

Almost surely, 2^{82786813635824} is an apocalyptic number.

It is an amenable number.

82786813635824 is a deficient number, since it is larger than the sum of its proper divisors (77982097557808).

82786813635824 is a wasteful number, since it uses less digits than its factorization.

82786813635824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237465 (or 3237459 counting only the distinct ones).

The product of its digits is 743178240, while the sum is 71.

The spelling of 82786813635824 in words is "eighty-two trillion, seven hundred eighty-six billion, eight hundred thirteen million, six hundred thirty-five thousand, eight hundred twenty-four".