678546283 has 2 divisors, whose sum is σ = 678546284. Its totient is φ = 678546282.

The previous prime is 678546229. The next prime is 678546287. The reversal of 678546283 is 382645876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 678546283 - 2²¹ = 676449131 is a prime.

It is not a weakly prime, because it can be changed into another prime (678546287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339273141 + 339273142.

It is an arithmetic number, because the mean of its divisors is an integer number (339273142).

Almost surely, 2^678546283 is an apocalyptic number.

678546283 is a deficient number, since it is larger than the sum of its proper divisors (1).

678546283 is an equidigital number, since it uses as much as digits as its factorization.

678546283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 678546283 is about 26048.9209565387. The cubic root of 678546283 is about 878.7388455829.

The spelling of 678546283 in words is "six hundred seventy-eight million, five hundred forty-six thousand, two hundred eighty-three".