72776356045367 has 16 divisors (see below), whose sum is σ = 78911142733248. Its totient is φ = 66718425427200.

The previous prime is 72776356045363. The next prime is 72776356045373. The reversal of 72776356045367 is 76354065367727.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72776356045367 - 2² = 72776356045363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72776356045297 and 72776356045306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72776356045363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4694003 + ... + 12945515.

It is an arithmetic number, because the mean of its divisors is an integer number (4931946420828).

Almost surely, 2^{72776356045367} is an apocalyptic number.

72776356045367 is a deficient number, since it is larger than the sum of its proper divisors (6134786687881).

72776356045367 is a wasteful number, since it uses less digits than its factorization.

72776356045367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256170.

The product of its (nonzero) digits is 933508800, while the sum is 68.

The spelling of 72776356045367 in words is "seventy-two trillion, seven hundred seventy-six billion, three hundred fifty-six million, forty-five thousand, three hundred sixty-seven".