608661881257247 has 4 divisors (see below), whose sum is σ = 608885736310080. Its totient is φ = 608438026204416.

The previous prime is 608661881257169. The next prime is 608661881257259. The reversal of 608661881257247 is 742752188166806.

608661881257247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 608661881257247 - 2¹⁰ = 608661881256223 is a prime.

It is a super-2 number, since 2×608661881257247² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608661881857247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111927522338 + ... + 111927527775.

It is an arithmetic number, because the mean of its divisors is an integer number (152221434077520).

Almost surely, 2^{608661881257247} is an apocalyptic number.

608661881257247 is a deficient number, since it is larger than the sum of its proper divisors (223855052833).

608661881257247 is a wasteful number, since it uses less digits than its factorization.

608661881257247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223855052832.

The product of its (nonzero) digits is 433520640, while the sum is 71.

The spelling of 608661881257247 in words is "six hundred eight trillion, six hundred sixty-one billion, eight hundred eighty-one million, two hundred fifty-seven thousand, two hundred forty-seven".