276768117005 has 4 divisors (see below), whose sum is σ = 332121740412. Its totient is φ = 221414493600.

The previous prime is 276768117001. The next prime is 276768117053. The reversal of 276768117005 is 500711867672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212648255044 + 64119861961 = 461138^2 + 253219^2 .

It is not a de Polignac number, because 276768117005 - 2² = 276768117001 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 (276768117001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27676811696 + ... + 27676811705.

It is an arithmetic number, because the mean of its divisors is an integer number (83030435103).

Almost surely, 2^276768117005 is an apocalyptic number.

It is an amenable number.

276768117005 is a deficient number, since it is larger than the sum of its proper divisors (55353623407).

276768117005 is an equidigital number, since it uses as much as digits as its factorization.

276768117005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55353623406.

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 276768117005 in words is "two hundred seventy-six billion, seven hundred sixty-eight million, one hundred seventeen thousand, five".