635878472 has 64 divisors (see below), whose sum is σ = 1347451200. Its totient is φ = 279521280.

The previous prime is 635878469. The next prime is 635878511. The reversal of 635878472 is 274878536.

635878472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 635878472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186947 + ... + 190317.

It is an arithmetic number, because the mean of its divisors is an integer number (21053925).

Almost surely, 2^635878472 is an apocalyptic number.

It is an amenable number.

635878472 is an abundant number, since it is smaller than the sum of its proper divisors (711572728).

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

635878472 is a wasteful number, since it uses less digits than its factorization.

635878472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3482 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The square root of 635878472 is about 25216.6308613978. The cubic root of 635878472 is about 859.9199817383.

The spelling of 635878472 in words is "six hundred thirty-five million, eight hundred seventy-eight thousand, four hundred seventy-two".