82776851348567 has 8 divisors (see below), whose sum is σ = 84826586771136. Its totient is φ = 80739137835232.

The previous prime is 82776851348561. The next prime is 82776851348591. The reversal of 82776851348567 is 76584315867728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82776851348567 - 2¹⁰ = 82776851347543 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 (82776851348561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005463368 + ... + 3005490909.

It is an arithmetic number, because the mean of its divisors is an integer number (10603323346392).

Almost surely, 2^{82776851348567} is an apocalyptic number.

82776851348567 is a deficient number, since it is larger than the sum of its proper divisors (2049735422569).

82776851348567 is a wasteful number, since it uses less digits than its factorization.

82776851348567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010954617.

The product of its digits is 3793305600, while the sum is 77.

The spelling of 82776851348567 in words is "eighty-two trillion, seven hundred seventy-six billion, eight hundred fifty-one million, three hundred forty-eight thousand, five hundred sixty-seven".