276220686851 has 2 divisors, whose sum is σ = 276220686852. Its totient is φ = 276220686850.

The previous prime is 276220686811. The next prime is 276220686881. The reversal of 276220686851 is 158686022672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276220686851 - 2³⁰ = 275146945027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276220686793 and 276220686802.

It is not a weakly prime, because it can be changed into another prime (276220686811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138110343425 + 138110343426.

It is an arithmetic number, because the mean of its divisors is an integer number (138110343426).

Almost surely, 2^276220686851 is an apocalyptic number.

276220686851 is a deficient number, since it is larger than the sum of its proper divisors (1).

276220686851 is an equidigital number, since it uses as much as digits as its factorization.

276220686851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 276220686851 in words is "two hundred seventy-six billion, two hundred twenty million, six hundred eighty-six thousand, eight hundred fifty-one".