67328791288 has 16 divisors (see below), whose sum is σ = 137717982360. Its totient is φ = 30603996000.

The previous prime is 67328791279. The next prime is 67328791289. The reversal of 67328791288 is 88219782376.

It is a super-2 number, since 2×67328791288² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67328791289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382549863 + ... + 382550038.

Almost surely, 2^67328791288 is an apocalyptic number.

It is an amenable number.

67328791288 is an abundant number, since it is smaller than the sum of its proper divisors (70389191072).

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

67328791288 is a wasteful number, since it uses less digits than its factorization.

67328791288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765099918 (or 765099914 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The spelling of 67328791288 in words is "sixty-seven billion, three hundred twenty-eight million, seven hundred ninety-one thousand, two hundred eighty-eight".