655672008 has 16 divisors (see below), whose sum is σ = 1639180080. Its totient is φ = 218557328.

The previous prime is 655672001. The next prime is 655672013. The reversal of 655672008 is 800276556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (655672001) 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, 13659810 + ... + 13659857.

It is an arithmetic number, because the mean of its divisors is an integer number (102448755).

Almost surely, 2^655672008 is an apocalyptic number.

It is an amenable number.

655672008 is an abundant number, since it is smaller than the sum of its proper divisors (983508072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655672008 is a wasteful number, since it uses less digits than its factorization.

655672008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27319676 (or 27319672 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 655672008 is about 25606.0931811161. The cubic root of 655672008 is about 868.7514604948.

The spelling of 655672008 in words is "six hundred fifty-five million, six hundred seventy-two thousand, eight".