2067967578 has 8 divisors (see below), whose sum is σ = 4135935168. Its totient is φ = 689322524.

The previous prime is 2067967571. The next prime is 2067967591. The reversal of 2067967578 is 8757697602.

It is a sphenic number, since it is the product of 3 distinct primes.

2067967578 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2067967571) 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 3 ways as a sum of consecutive naturals, for example, 172330626 + ... + 172330637.

It is an arithmetic number, because the mean of its divisors is an integer number (516991896).

Almost surely, 2^2067967578 is an apocalyptic number.

2067967578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2067967578 is a wasteful number, since it uses less digits than its factorization.

2067967578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344661268.

The product of its (nonzero) digits is 8890560, while the sum is 57.

The square root of 2067967578 is about 45474.9115227287. The cubic root of 2067967578 is about 1274.0346562965.

The spelling of 2067967578 in words is "two billion, sixty-seven million, nine hundred sixty-seven thousand, five hundred seventy-eight".