2078867018 has 8 divisors (see below), whose sum is σ = 3177136548. Its totient is φ = 1019821504.

The previous prime is 2078867003. The next prime is 2078867027. The reversal of 2078867018 is 8107688702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2052724249 + 26142769 = 45307^2 + 5113^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9805871 + ... + 9806082.

Almost surely, 2^2078867018 is an apocalyptic number.

2078867018 is a deficient number, since it is larger than the sum of its proper divisors (1098269530).

2078867018 is a wasteful number, since it uses less digits than its factorization.

2078867018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19612008.

The product of its (nonzero) digits is 301056, while the sum is 47.

The square root of 2078867018 is about 45594.5941751870. The cubic root of 2078867018 is about 1276.2690464436.

The spelling of 2078867018 in words is "two billion, seventy-eight million, eight hundred sixty-seven thousand, eighteen".