3318778898 has 4 divisors (see below), whose sum is σ = 4978168350. Its totient is φ = 1659389448.

The previous prime is 3318778847. The next prime is 3318778927. The reversal of 3318778898 is 8988778133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3182426569 + 136352329 = 56413^2 + 11677^2 .

It is a super-2 number, since 2×3318778898² = 22028586747620188808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3318778898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829694723 + ... + 829694726.

Almost surely, 2^3318778898 is an apocalyptic number.

3318778898 is a deficient number, since it is larger than the sum of its proper divisors (1659389452).

3318778898 is a wasteful number, since it uses less digits than its factorization.

3318778898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659389451.

The product of its digits is 16257024, while the sum is 62.

The square root of 3318778898 is about 57608.8439217452. The cubic root of 3318778898 is about 1491.6242662909.

The spelling of 3318778898 in words is "three billion, three hundred eighteen million, seven hundred seventy-eight thousand, eight hundred ninety-eight".