2768081376261 has 8 divisors (see below), whose sum is σ = 3692880580480. Its totient is φ = 1844334878112.

The previous prime is 2768081376217. The next prime is 2768081376271. The reversal of 2768081376261 is 1626731808672.

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

It is not a de Polignac number, because 2768081376261 - 2¹¹ = 2768081374213 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 (2768081376271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263170381 + ... + 263180898.

It is an arithmetic number, because the mean of its divisors is an integer number (461610072560).

Almost surely, 2^{2768081376261} is an apocalyptic number.

It is an amenable number.

2768081376261 is a deficient number, since it is larger than the sum of its proper divisors (924799204219).

2768081376261 is a wasteful number, since it uses less digits than its factorization.

2768081376261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526353035.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 2768081376261 in words is "two trillion, seven hundred sixty-eight billion, eighty-one million, three hundred seventy-six thousand, two hundred sixty-one".