8098778 has 4 divisors (see below), whose sum is σ = 12148170. Its totient is φ = 4049388.

The previous prime is 8098763. The next prime is 8098789. The reversal of 8098778 is 8778908.

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., 8082649 + 16129 = 2843^2 + 127^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024693 + ... + 2024696.

Almost surely, 2^8098778 is an apocalyptic number.

8098778 is a deficient number, since it is larger than the sum of its proper divisors (4049392).

8098778 is a wasteful number, since it uses less digits than its factorization.

8098778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049391.

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 8098778 is about 2845.8352025372. The cubic root of 8098778 is about 200.8197851703.

The spelling of 8098778 in words is "eight million, ninety-eight thousand, seven hundred seventy-eight".