82691364568 has 16 divisors (see below), whose sum is σ = 157674213000. Its totient is φ = 40644907776.

The previous prime is 82691364541. The next prime is 82691364607. The reversal of 82691364568 is 86546319628.

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, 87596313 + ... + 87597256.

Almost surely, 2^82691364568 is an apocalyptic number.

It is an amenable number.

82691364568 is a deficient number, since it is larger than the sum of its proper divisors (74982848432).

82691364568 is a wasteful number, since it uses less digits than its factorization.

82691364568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175193634 (or 175193630 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The spelling of 82691364568 in words is "eighty-two billion, six hundred ninety-one million, three hundred sixty-four thousand, five hundred sixty-eight".