82738567680866 has 16 divisors (see below), whose sum is σ = 124235650324800. Its totient is φ = 41326685287728.

The previous prime is 82738567680787. The next prime is 82738567680877. The reversal of 82738567680866 is 66808676583728.

It is a happy 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, 194931200 + ... + 195355188.

It is an arithmetic number, because the mean of its divisors is an integer number (7764728145300).

Almost surely, 2^{82738567680866} is an apocalyptic number.

82738567680866 is a deficient number, since it is larger than the sum of its proper divisors (41497082643934).

82738567680866 is a wasteful number, since it uses less digits than its factorization.

82738567680866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524233.

The product of its (nonzero) digits is 7803371520, while the sum is 80.

The spelling of 82738567680866 in words is "eighty-two trillion, seven hundred thirty-eight billion, five hundred sixty-seven million, six hundred eighty thousand, eight hundred sixty-six".