676287947 has 2 divisors, whose sum is σ = 676287948. Its totient is φ = 676287946.

The previous prime is 676287943. The next prime is 676287991. The reversal of 676287947 is 749782676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676287947 - 2² = 676287943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 676287892 and 676287901.

It is not a weakly prime, because it can be changed into another prime (676287943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338143973 + 338143974.

It is an arithmetic number, because the mean of its divisors is an integer number (338143974).

Almost surely, 2^676287947 is an apocalyptic number.

676287947 is a deficient number, since it is larger than the sum of its proper divisors (1).

676287947 is an equidigital number, since it uses as much as digits as its factorization.

676287947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 56.

The square root of 676287947 is about 26005.5368527550. The cubic root of 676287947 is about 877.7628899319.

The spelling of 676287947 in words is "six hundred seventy-six million, two hundred eighty-seven thousand, nine hundred forty-seven".