63478650 has 24 divisors (see below), whose sum is σ = 157427424. Its totient is φ = 16927600.

The previous prime is 63478637. The next prime is 63478661. The reversal of 63478650 is 5687436.

It is a junction number, because it is equal to n+sod(n) for n = 63478599 and 63478608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211446 + ... + 211745.

It is an arithmetic number, because the mean of its divisors is an integer number (6559476).

Almost surely, 2^63478650 is an apocalyptic number.

63478650 is an abundant number, since it is smaller than the sum of its proper divisors (93948774).

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

63478650 is a wasteful number, since it uses less digits than its factorization.

63478650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423206 (or 423201 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 63478650 is about 7967.3489944899. The cubic root of 63478650 is about 398.9108914645.

The spelling of 63478650 in words is "sixty-three million, four hundred seventy-eight thousand, six hundred fifty".