8998778998 has 8 divisors (see below), whose sum is σ = 14725274760. Its totient is φ = 4090354080.

The previous prime is 8998778989. The next prime is 8998779007.

8998778998 is nontrivially palindromic in base 10.

8998778998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8998778989) and next prime (8998779007).

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

It is a congruent number.

It is an unprimeable number.

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, 204517683 + ... + 204517726.

It is an arithmetic number, because the mean of its divisors is an integer number (1840659345).

Almost surely, 2^8998778998 is an apocalyptic number.

8998778998 is a deficient number, since it is larger than the sum of its proper divisors (5726495762).

8998778998 is a wasteful number, since it uses less digits than its factorization.

8998778998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409035422.

The product of its digits is 1316818944, while the sum is 82.

The square root of 8998778998 is about 94861.8943411948. The cubic root of 8998778998 is about 2079.9897526307.

The spelling of 8998778998 in words is "eight billion, nine hundred ninety-eight million, seven hundred seventy-eight thousand, nine hundred ninety-eight".