67820213776 has 40 divisors (see below), whose sum is σ = 150257160704. Its totient is φ = 29049580800.

The previous prime is 67820213771. The next prime is 67820213819. The reversal of 67820213776 is 67731202876.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67820213771) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33601 + ... + 369823.

Almost surely, 2^67820213776 is an apocalyptic number.

It is an amenable number.

67820213776 is an abundant number, since it is smaller than the sum of its proper divisors (82436946928).

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

67820213776 is a wasteful number, since it uses less digits than its factorization.

67820213776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338039 (or 338033 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 67820213776 in words is "sixty-seven billion, eight hundred twenty million, two hundred thirteen thousand, seven hundred seventy-six".