607988681 has 2 divisors, whose sum is σ = 607988682. Its totient is φ = 607988680.

The previous prime is 607988677. The next prime is 607988729. The reversal of 607988681 is 186889706.

607988681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599809081 + 8179600 = 24491^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 607988681 - 2² = 607988677 is a prime.

It is a super-2 number, since 2×607988681² = 739300472448239522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (607988611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303994340 + 303994341.

It is an arithmetic number, because the mean of its divisors is an integer number (303994341).

Almost surely, 2^607988681 is an apocalyptic number.

It is an amenable number.

607988681 is a deficient number, since it is larger than the sum of its proper divisors (1).

607988681 is an equidigital number, since it uses as much as digits as its factorization.

607988681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 607988681 is about 24657.4264877744. The cubic root of 607988681 is about 847.1594596597.

The spelling of 607988681 in words is "six hundred seven million, nine hundred eighty-eight thousand, six hundred eighty-one".