8334778 has 4 divisors (see below), whose sum is σ = 12502170. Its totient is φ = 4167388.

The previous prime is 8334773. The next prime is 8334779. The reversal of 8334778 is 8774338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8774338 = 2 ⋅4387169.

It can be written as a sum of positive squares in only one way, i.e., 8334769 + 9 = 2887^2 + 3^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8334778.

It is not an unprimeable number, because it can be changed into a prime (8334773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083693 + ... + 2083696.

Almost surely, 2^8334778 is an apocalyptic number.

8334778 is a deficient number, since it is larger than the sum of its proper divisors (4167392).

8334778 is a wasteful number, since it uses less digits than its factorization.

8334778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167391.

The product of its digits is 112896, while the sum is 40.

The square root of 8334778 is about 2887.0015587110. The cubic root of 8334778 is about 202.7517815148.

The spelling of 8334778 in words is "eight million, three hundred thirty-four thousand, seven hundred seventy-eight".