63775090606 has 24 divisors (see below), whose sum is σ = 103984178760. Its totient is φ = 29313846912.

The previous prime is 63775090553. The next prime is 63775090609. The reversal of 63775090606 is 60609057736.

It is a self number, because there is not a number n which added to its sum of digits gives 63775090606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63775090609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258141 + ... + 1307848.

It is an arithmetic number, because the mean of its divisors is an integer number (4332674115).

Almost surely, 2^63775090606 is an apocalyptic number.

63775090606 is a deficient number, since it is larger than the sum of its proper divisors (40209088154).

63775090606 is a wasteful number, since it uses less digits than its factorization.

63775090606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566068 (or 2566051 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 63775090606 in words is "sixty-three billion, seven hundred seventy-five million, ninety thousand, six hundred six".