676884787 has 2 divisors, whose sum is σ = 676884788. Its totient is φ = 676884786.

The previous prime is 676884773. The next prime is 676884797. The reversal of 676884787 is 787488676.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676884787 is a prime.

It is not a weakly prime, because it can be changed into another prime (676884797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338442393 + 338442394.

It is an arithmetic number, because the mean of its divisors is an integer number (338442394).

Almost surely, 2^676884787 is an apocalyptic number.

676884787 is a deficient number, since it is larger than the sum of its proper divisors (1).

676884787 is an equidigital number, since it uses as much as digits as its factorization.

676884787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25288704, while the sum is 61.

The square root of 676884787 is about 26017.0095706636. The cubic root of 676884787 is about 878.0210294654.

The spelling of 676884787 in words is "six hundred seventy-six million, eight hundred eighty-four thousand, seven hundred eighty-seven".