8420704898 has 8 divisors (see below), whose sum is σ = 12899803392. Its totient is φ = 4120770436.

The previous prime is 8420704847. The next prime is 8420704907. The reversal of 8420704898 is 8984070248.

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

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, 44790890 + ... + 44791077.

It is an arithmetic number, because the mean of its divisors is an integer number (1612475424).

Almost surely, 2^8420704898 is an apocalyptic number.

8420704898 is a deficient number, since it is larger than the sum of its proper divisors (4479098494).

8420704898 is a wasteful number, since it uses less digits than its factorization.

8420704898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89582016.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 8420704898 is about 91764.3988592526. The cubic root of 8420704898 is about 2034.4615323588.

The spelling of 8420704898 in words is "eight billion, four hundred twenty million, seven hundred four thousand, eight hundred ninety-eight".