276063639427 has 16 divisors (see below), whose sum is σ = 293470594560. Its totient is φ = 258945386112.

The previous prime is 276063639361. The next prime is 276063639431. The reversal of 276063639427 is 724936360672.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 276063639427 - 2²⁷ = 275929421699 is a prime.

It is a super-2 number, since 2×276063639427² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276063639457) 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 15 ways as a sum of consecutive naturals, for example, 13937643 + ... + 13957435.

It is an arithmetic number, because the mean of its divisors is an integer number (18341912160).

Almost surely, 2^276063639427 is an apocalyptic number.

276063639427 is a deficient number, since it is larger than the sum of its proper divisors (17406955133).

276063639427 is a wasteful number, since it uses less digits than its factorization.

276063639427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27042.

The product of its (nonzero) digits is 13716864, while the sum is 55.

The spelling of 276063639427 in words is "two hundred seventy-six billion, sixty-three million, six hundred thirty-nine thousand, four hundred twenty-seven".