82680723687683 has 4 divisors (see below), whose sum is σ = 90197153113848. Its totient is φ = 75164294261520.

The previous prime is 82680723687641. The next prime is 82680723687689. The reversal of 82680723687683 is 38678632708628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82680723687683 - 2⁴² = 78282677176579 is a prime.

It is a super-2 number, since 2×82680723687683² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82680723687683.

It is not an unprimeable number, because it can be changed into a prime (82680723687689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758214713066 + ... + 3758214713087.

It is an arithmetic number, because the mean of its divisors is an integer number (22549288278462).

Almost surely, 2^{82680723687683} is an apocalyptic number.

82680723687683 is a deficient number, since it is larger than the sum of its proper divisors (7516429426165).

82680723687683 is a wasteful number, since it uses less digits than its factorization.

82680723687683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516429426164.

The product of its (nonzero) digits is 1560674304, while the sum is 74.

The spelling of 82680723687683 in words is "eighty-two trillion, six hundred eighty billion, seven hundred twenty-three million, six hundred eighty-seven thousand, six hundred eighty-three".