276086142721 has 3 divisors (see below), whose sum is σ = 276086668161. Its totient is φ = 276085617282.

The previous prime is 276086142653. The next prime is 276086142733. The reversal of 276086142721 is 127241680672.

The square root of 276086142721 is 525439.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 276086142721 - 2⁹ = 276086142209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276086142781) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 262720 + ... + 788158.

It is an arithmetic number, because the mean of its divisors is an integer number (92028889387).

Almost surely, 2^276086142721 is an apocalyptic number.

276086142721 is the 525439-th square number.

276086142721 is the 262720-th centered octagonal number.

It is an amenable number.

276086142721 is a deficient number, since it is larger than the sum of its proper divisors (525440).

276086142721 is an frugal number, since it uses more digits than its factorization.

276086142721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050878 (or 525439 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 276086142721 in words is "two hundred seventy-six billion, eighty-six million, one hundred forty-two thousand, seven hundred twenty-one".