276138843805271 has 8 divisors (see below), whose sum is σ = 277417048247280. Its totient is φ = 274861268563392.

The previous prime is 276138843805247. The next prime is 276138843805273. The reversal of 276138843805271 is 172508348831672.

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 276138843805271 - 2⁶ = 276138843805207 is a prime.

It is a super-2 number, since 2×276138843805271² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276138843805198 and 276138843805207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276138843805273) 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, 156420245 + ... + 158175758.

It is an arithmetic number, because the mean of its divisors is an integer number (34677131030910).

Almost surely, 2^{276138843805271} is an apocalyptic number.

276138843805271 is a deficient number, since it is larger than the sum of its proper divisors (1278204442009).

276138843805271 is a wasteful number, since it uses less digits than its factorization.

276138843805271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314600065.

The product of its (nonzero) digits is 108380160, while the sum is 65.

The spelling of 276138843805271 in words is "two hundred seventy-six trillion, one hundred thirty-eight billion, eight hundred forty-three million, eight hundred five thousand, two hundred seventy-one".