82053756791 has 4 divisors (see below), whose sum is σ = 82078527312. Its totient is φ = 82028986272.

The previous prime is 82053756761. The next prime is 82053756793. The reversal of 82053756791 is 19765735028.

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 82053756791 - 2¹⁴ = 82053740407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82053756793) 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, 12380291 + ... + 12386916.

It is an arithmetic number, because the mean of its divisors is an integer number (20519631828).

Almost surely, 2^82053756791 is an apocalyptic number.

82053756791 is a deficient number, since it is larger than the sum of its proper divisors (24770521).

82053756791 is a wasteful number, since it uses less digits than its factorization.

82053756791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24770520.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 82053756791 in words is "eighty-two billion, fifty-three million, seven hundred fifty-six thousand, seven hundred ninety-one".