67801811000 has 128 divisors (see below), whose sum is σ = 197805404160. Its totient is φ = 21133008000.

The previous prime is 67801810969. The next prime is 67801811003. The reversal of 67801811000 is 11810876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67801811003) 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 31 ways as a sum of consecutive naturals, for example, 363272 + ... + 517271.

It is an arithmetic number, because the mean of its divisors is an integer number (1545354720).

Almost surely, 2^67801811000 is an apocalyptic number.

It is an amenable number.

67801811000 is an abundant number, since it is smaller than the sum of its proper divisors (130003593160).

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

67801811000 is a wasteful number, since it uses less digits than its factorization.

67801811000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880582 (or 880568 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 32.

The spelling of 67801811000 in words is "sixty-seven billion, eight hundred one million, eight hundred eleven thousand".