608689747 has 2 divisors, whose sum is σ = 608689748. Its totient is φ = 608689746.

The previous prime is 608689721. The next prime is 608689771. The reversal of 608689747 is 747986806.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-608689747 is a prime.

It is not a weakly prime, because it can be changed into another prime (608689847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304344873 + 304344874.

It is an arithmetic number, because the mean of its divisors is an integer number (304344874).

Almost surely, 2^608689747 is an apocalyptic number.

608689747 is a deficient number, since it is larger than the sum of its proper divisors (1).

608689747 is an equidigital number, since it uses as much as digits as its factorization.

608689747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 608689747 is about 24671.6385146994. The cubic root of 608689747 is about 847.4849517723.

The spelling of 608689747 in words is "six hundred eight million, six hundred eighty-nine thousand, seven hundred forty-seven".