67228517900 has 36 divisors (see below), whose sum is σ = 154467410328. Its totient is φ = 25309559040.

The previous prime is 67228517891. The next prime is 67228517903. The reversal of 67228517900 is 971582276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67228517903) 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 11 ways as a sum of consecutive naturals, for example, 19771394 + ... + 19774793.

It is an arithmetic number, because the mean of its divisors is an integer number (4290761398).

Almost surely, 2^67228517900 is an apocalyptic number.

It is an amenable number.

67228517900 is an abundant number, since it is smaller than the sum of its proper divisors (87238892428).

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

67228517900 is a wasteful number, since it uses less digits than its factorization.

67228517900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39546218 (or 39546211 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 67228517900 in words is "sixty-seven billion, two hundred twenty-eight million, five hundred seventeen thousand, nine hundred".