82888681607 has 4 divisors (see below), whose sum is σ = 82893517080. Its totient is φ = 82883846136.

The previous prime is 82888681573. The next prime is 82888681619. The reversal of 82888681607 is 70618688828.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82888681607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82888681607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82888681657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391932 + ... + 2426337.

It is an arithmetic number, because the mean of its divisors is an integer number (20723379270).

Almost surely, 2^82888681607 is an apocalyptic number.

82888681607 is a deficient number, since it is larger than the sum of its proper divisors (4835473).

82888681607 is a wasteful number, since it uses less digits than its factorization.

82888681607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835472.

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 82888681607 in words is "eighty-two billion, eight hundred eighty-eight million, six hundred eighty-one thousand, six hundred seven".