608806978 has 8 divisors (see below), whose sum is σ = 983457468. Its totient is φ = 280987824.

The previous prime is 608806973. The next prime is 608806981. The reversal of 608806978 is 879608806.

It can be written as a sum of positive squares in 2 ways, for example, as 589858369 + 18948609 = 24287^2 + 4353^2 .

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

It is a super-2 number, since 2×608806978² = 741291872922984968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (608806973) 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, 11707801 + ... + 11707852.

Almost surely, 2^608806978 is an apocalyptic number.

608806978 is a deficient number, since it is larger than the sum of its proper divisors (374650490).

608806978 is a wasteful number, since it uses less digits than its factorization.

608806978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23415668.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 608806978 is about 24674.0142254964. The cubic root of 608806978 is about 847.5393555860.

The spelling of 608806978 in words is "six hundred eight million, eight hundred six thousand, nine hundred seventy-eight".