608804107081 has 9 divisors (see below), whose sum is σ = 611118513319. Its totient is φ = 606498441736.

The previous prime is 608804107039. The next prime is 608804107103. The reversal of 608804107081 is 180701408806.

The square root of 608804107081 is 780259.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 576012692025 + 32791415056 = 758955^2 + 181084^2 .

It is a de Polignac number, because none of the positive numbers 2^k-608804107081 is a prime.

It is a super-2 number, since 2×608804107081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608804107181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 228614556 + ... + 228617218.

Almost surely, 2^608804107081 is an apocalyptic number.

608804107081 is the 780259-th square number.

608804107081 is the 390130-th centered octagonal number.

It is an amenable number.

608804107081 is a deficient number, since it is larger than the sum of its proper divisors (2314406238).

608804107081 is an frugal number, since it uses more digits than its factorization.

608804107081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 608804107081 in words is "six hundred eight billion, eight hundred four million, one hundred seven thousand, eighty-one".