276650047 has 2 divisors, whose sum is σ = 276650048. Its totient is φ = 276650046.

The previous prime is 276649979. The next prime is 276650137. The reversal of 276650047 is 740056672.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276650047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276649988 and 276650015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276630047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138325023 + 138325024.

It is an arithmetic number, because the mean of its divisors is an integer number (138325024).

Almost surely, 2^276650047 is an apocalyptic number.

276650047 is a deficient number, since it is larger than the sum of its proper divisors (1).

276650047 is an equidigital number, since it uses as much as digits as its factorization.

276650047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 276650047 is about 16632.8003354817. The cubic root of 276650047 is about 651.5937592254.

The spelling of 276650047 in words is "two hundred seventy-six million, six hundred fifty thousand, forty-seven".