82765008067 has 4 divisors (see below), whose sum is σ = 94588580656. Its totient is φ = 70941435480.

The previous prime is 82765008061. The next prime is 82765008077. The reversal of 82765008067 is 76080056728.

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 82765008067 - 2¹⁵ = 82764975299 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 82765008067.

It is not an unprimeable number, because it can be changed into a prime (82765008061) 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, 5911786284 + ... + 5911786297.

It is an arithmetic number, because the mean of its divisors is an integer number (23647145164).

Almost surely, 2^82765008067 is an apocalyptic number.

82765008067 is a deficient number, since it is larger than the sum of its proper divisors (11823572589).

82765008067 is a wasteful number, since it uses less digits than its factorization.

82765008067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11823572588.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 82765008067 in words is "eighty-two billion, seven hundred sixty-five million, eight thousand, sixty-seven".