276620983 has 2 divisors, whose sum is σ = 276620984. Its totient is φ = 276620982.

The previous prime is 276620959. The next prime is 276621013. The reversal of 276620983 is 389026672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276620983 - 2⁵ = 276620951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276620933) 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, 138310491 + 138310492.

It is an arithmetic number, because the mean of its divisors is an integer number (138310492).

Almost surely, 2^276620983 is an apocalyptic number.

276620983 is a deficient number, since it is larger than the sum of its proper divisors (1).

276620983 is an equidigital number, since it uses as much as digits as its factorization.

276620983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 276620983 is about 16631.9266172022. The cubic root of 276620983 is about 651.5709402833.

The spelling of 276620983 in words is "two hundred seventy-six million, six hundred twenty thousand, nine hundred eighty-three".