67563650780 has 24 divisors (see below), whose sum is σ = 149351228880. Its totient is φ = 25603067520.

The previous prime is 67563650741. The next prime is 67563650797. The reversal of 67563650780 is 8705636576.

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 7 ways as a sum of consecutive naturals, for example, 88899161 + ... + 88899920.

It is an arithmetic number, because the mean of its divisors is an integer number (6222967870).

Almost surely, 2^67563650780 is an apocalyptic number.

It is an amenable number.

67563650780 is an abundant number, since it is smaller than the sum of its proper divisors (81787578100).

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

67563650780 is a wasteful number, since it uses less digits than its factorization.

67563650780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177799109 (or 177799107 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 67563650780 in words is "sixty-seven billion, five hundred sixty-three million, six hundred fifty thousand, seven hundred eighty".