680533747 has 2 divisors, whose sum is σ = 680533748. Its totient is φ = 680533746.

The previous prime is 680533741. The next prime is 680533753. The reversal of 680533747 is 747335086.

It is a balanced prime because it is at equal distance from previous prime (680533741) and next prime (680533753).

It is a cyclic number.

It is not a de Polignac number, because 680533747 - 2³ = 680533739 is a prime.

It is not a weakly prime, because it can be changed into another prime (680533741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340266873 + 340266874.

It is an arithmetic number, because the mean of its divisors is an integer number (340266874).

Almost surely, 2^680533747 is an apocalyptic number.

680533747 is a deficient number, since it is larger than the sum of its proper divisors (1).

680533747 is an equidigital number, since it uses as much as digits as its factorization.

680533747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 680533747 is about 26087.0417448970. The cubic root of 680533747 is about 879.5959521667.

The spelling of 680533747 in words is "six hundred eighty million, five hundred thirty-three thousand, seven hundred forty-seven".