276476478623 has 2 divisors, whose sum is σ = 276476478624. Its totient is φ = 276476478622.

The previous prime is 276476478601. The next prime is 276476478631. The reversal of 276476478623 is 326874674672.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276476478623 - 2⁶ = 276476478559 is a prime.

It is a super-2 number, since 2×276476478623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276476478673) 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 as a sum of consecutive naturals, namely, 138238239311 + 138238239312.

It is an arithmetic number, because the mean of its divisors is an integer number (138238239312).

Almost surely, 2^276476478623 is an apocalyptic number.

276476478623 is a deficient number, since it is larger than the sum of its proper divisors (1).

276476478623 is an equidigital number, since it uses as much as digits as its factorization.

276476478623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113799168, while the sum is 62.

The spelling of 276476478623 in words is "two hundred seventy-six billion, four hundred seventy-six million, four hundred seventy-eight thousand, six hundred twenty-three".