68045067804 has 48 divisors (see below), whose sum is σ = 182044636928. Its totient is φ = 19378113408.

The previous prime is 68045067787. The next prime is 68045067817. The reversal of 68045067804 is 40876054086.

It is a super-3 number, since 3×68045067804³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293529 + ... + 1345104.

Almost surely, 2^68045067804 is an apocalyptic number.

It is an amenable number.

68045067804 is an abundant number, since it is smaller than the sum of its proper divisors (113999569124).

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

68045067804 is a wasteful number, since it uses less digits than its factorization.

68045067804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638954 (or 2638952 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 68045067804 in words is "sixty-eight billion, forty-five million, sixty-seven thousand, eight hundred four".