63780650 has 48 divisors (see below), whose sum is σ = 122432640. Its totient is φ = 24710400.

The previous prime is 63780643. The next prime is 63780659. The reversal of 63780650 is 5608736.

It is a happy number.

63780650 is nontrivially palindromic in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 63780650.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63780659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264530 + ... + 264770.

It is an arithmetic number, because the mean of its divisors is an integer number (2550680).

Almost surely, 2^63780650 is an apocalyptic number.

63780650 is a deficient number, since it is larger than the sum of its proper divisors (58651990).

63780650 is a wasteful number, since it uses less digits than its factorization.

63780650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 63780650 is about 7986.2788581416. The cubic root of 63780650 is about 399.5424977621.

The spelling of 63780650 in words is "sixty-three million, seven hundred eighty thousand, six hundred fifty".