608784457 has 2 divisors, whose sum is σ = 608784458. Its totient is φ = 608784456.

The previous prime is 608784437. The next prime is 608784461. The reversal of 608784457 is 754487806.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586656841 + 22127616 = 24221^2 + 4704^2 .

It is a cyclic number.

It is not a de Polignac number, because 608784457 - 2⁷ = 608784329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 608784457.

It is not a weakly prime, because it can be changed into another prime (608784437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304392228 + 304392229.

It is an arithmetic number, because the mean of its divisors is an integer number (304392229).

Almost surely, 2^608784457 is an apocalyptic number.

It is an amenable number.

608784457 is a deficient number, since it is larger than the sum of its proper divisors (1).

608784457 is an equidigital number, since it uses as much as digits as its factorization.

608784457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 608784457 is about 24673.5578504601. The cubic root of 608784457 is about 847.5289047262.

The spelling of 608784457 in words is "six hundred eight million, seven hundred eighty-four thousand, four hundred fifty-seven".