67763727556 has 48 divisors (see below), whose sum is σ = 136383609600. Its totient is φ = 28858515840.

The previous prime is 67763727527. The next prime is 67763727583. The reversal of 67763727556 is 65572736776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67763727494 and 67763727503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4567206 + ... + 4582018.

It is an arithmetic number, because the mean of its divisors is an integer number (2841325200).

Almost surely, 2^67763727556 is an apocalyptic number.

It is an amenable number.

67763727556 is an abundant number, since it is smaller than the sum of its proper divisors (68619882044).

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

67763727556 is a wasteful number, since it uses less digits than its factorization.

67763727556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15844 (or 15842 counting only the distinct ones).

The product of its digits is 77792400, while the sum is 61.

The spelling of 67763727556 in words is "sixty-seven billion, seven hundred sixty-three million, seven hundred twenty-seven thousand, five hundred fifty-six".