63204780956 has 12 divisors (see below), whose sum is σ = 110759269992. Its totient is φ = 31559275248.

The previous prime is 63204780929. The next prime is 63204780973. The reversal of 63204780956 is 65908740236.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10775510 + ... + 10781373.

It is an arithmetic number, because the mean of its divisors is an integer number (9229939166).

Almost surely, 2^63204780956 is an apocalyptic number.

It is an amenable number.

63204780956 is a deficient number, since it is larger than the sum of its proper divisors (47554489036).

63204780956 is a wasteful number, since it uses less digits than its factorization.

63204780956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21557620 (or 21557618 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 63204780956 in words is "sixty-three billion, two hundred four million, seven hundred eighty thousand, nine hundred fifty-six".