678010457 has 2 divisors, whose sum is σ = 678010458. Its totient is φ = 678010456.

The previous prime is 678010429. The next prime is 678010471. The reversal of 678010457 is 754010876.

678010457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547045321 + 130965136 = 23389^2 + 11444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-678010457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 678010457.

It is not a weakly prime, because it can be changed into another prime (678010757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339005228 + 339005229.

It is an arithmetic number, because the mean of its divisors is an integer number (339005229).

Almost surely, 2^678010457 is an apocalyptic number.

It is an amenable number.

678010457 is a deficient number, since it is larger than the sum of its proper divisors (1).

678010457 is an equidigital number, since it uses as much as digits as its factorization.

678010457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 678010457 is about 26038.6339311416. The cubic root of 678010457 is about 878.5074808131.

The spelling of 678010457 in words is "six hundred seventy-eight million, ten thousand, four hundred fifty-seven".