82509767776279 has 8 divisors (see below), whose sum is σ = 83109978628352. Its totient is φ = 81910703460600.

The previous prime is 82509767776243. The next prime is 82509767776297. The reversal of 82509767776279 is 97267776790528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82509767776279 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 (82509767726279) 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, 286489647 + ... + 286777504.

It is an arithmetic number, because the mean of its divisors is an integer number (10388747328544).

Almost surely, 2^{82509767776279} is an apocalyptic number.

82509767776279 is a deficient number, since it is larger than the sum of its proper divisors (600210852073).

82509767776279 is a wasteful number, since it uses less digits than its factorization.

82509767776279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573268197.

The product of its (nonzero) digits is 7841473920, while the sum is 82.

The spelling of 82509767776279 in words is "eighty-two trillion, five hundred nine billion, seven hundred sixty-seven million, seven hundred seventy-six thousand, two hundred seventy-nine".