63845352804 has 24 divisors (see below), whose sum is σ = 149480936640. Its totient is φ = 21209149024.

The previous prime is 63845352797. The next prime is 63845352827. The reversal of 63845352804 is 40825354836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9075744 + ... + 9082775.

It is an arithmetic number, because the mean of its divisors is an integer number (6228372360).

Almost surely, 2^63845352804 is an apocalyptic number.

It is an amenable number.

63845352804 is an abundant number, since it is smaller than the sum of its proper divisors (85635583836).

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

63845352804 is a wasteful number, since it uses less digits than its factorization.

63845352804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18158819 (or 18158817 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 63845352804 in words is "sixty-three billion, eight hundred forty-five million, three hundred fifty-two thousand, eight hundred four".