82693599668 has 6 divisors (see below), whose sum is σ = 144713799426. Its totient is φ = 41346799832.

The previous prime is 82693599589. The next prime is 82693599707. The reversal of 82693599668 is 86699539628.

It can be written as a sum of positive squares in only one way, i.e., 55388681104 + 27304918564 = 235348^2 + 165242^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10336699955 + ... + 10336699962.

It is an arithmetic number, because the mean of its divisors is an integer number (24118966571).

Almost surely, 2^82693599668 is an apocalyptic number.

It is an amenable number.

82693599668 is a deficient number, since it is larger than the sum of its proper divisors (62020199758).

82693599668 is a wasteful number, since it uses less digits than its factorization.

82693599668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673399921 (or 20673399919 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 71.

The spelling of 82693599668 in words is "eighty-two billion, six hundred ninety-three million, five hundred ninety-nine thousand, six hundred sixty-eight".