608787647 has 4 divisors (see below), whose sum is σ = 655617480. Its totient is φ = 561957816.

The previous prime is 608787643. The next prime is 608787671. The reversal of 608787647 is 746787806.

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 608787647 - 2² = 608787643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608787643) 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, 23414897 + ... + 23414922.

It is an arithmetic number, because the mean of its divisors is an integer number (163904370).

Almost surely, 2^608787647 is an apocalyptic number.

608787647 is a deficient number, since it is larger than the sum of its proper divisors (46829833).

608787647 is a wasteful number, since it uses less digits than its factorization.

608787647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46829832.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The square root of 608787647 is about 24673.6224944778. The cubic root of 608787647 is about 847.5303850599.

The spelling of 608787647 in words is "six hundred eight million, seven hundred eighty-seven thousand, six hundred forty-seven".