8778130 has 16 divisors (see below), whose sum is σ = 15862680. Its totient is φ = 3497472.

The previous prime is 8778101. The next prime is 8778131. The reversal of 8778130 is 318778.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7017201 + 1760929 = 2649^2 + 1327^2 .

It is not an unprimeable number, because it can be changed into a prime (8778131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186 + ... + 4354.

Almost surely, 2^8778130 is an apocalyptic number.

8778130 is a deficient number, since it is larger than the sum of its proper divisors (7084550).

8778130 is a wasteful number, since it uses less digits than its factorization.

8778130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 8778130 is about 2962.7909139863. The cubic root of 8778130 is about 206.2848511661.

The spelling of 8778130 in words is "eight million, seven hundred seventy-eight thousand, one hundred thirty".