605978447 has 8 divisors (see below), whose sum is σ = 669521376. Its totient is φ = 545535232.

The previous prime is 605978437. The next prime is 605978449. The reversal of 605978447 is 744879506.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 605978447 - 2⁴ = 605978431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 605978395 and 605978404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605978449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774518 + ... + 775299.

It is an arithmetic number, because the mean of its divisors is an integer number (83690172).

Almost surely, 2^605978447 is an apocalyptic number.

605978447 is a deficient number, since it is larger than the sum of its proper divisors (63542929).

605978447 is a wasteful number, since it uses less digits than its factorization.

605978447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549857.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 605978447 is about 24616.6294809017. The cubic root of 605978447 is about 846.2247552483.

The spelling of 605978447 in words is "six hundred five million, nine hundred seventy-eight thousand, four hundred forty-seven".