2778316130 has 8 divisors (see below), whose sum is σ = 5000969052. Its totient is φ = 1111326448.

The previous prime is 2778316111. The next prime is 2778316157. The reversal of 2778316130 is 316138772.

It can be written as a sum of positive squares in 2 ways, for example, as 2611312201 + 167003929 = 51101^2 + 12923^2 .

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, 138915797 + ... + 138915816.

Almost surely, 2^2778316130 is an apocalyptic number.

2778316130 is a deficient number, since it is larger than the sum of its proper divisors (2222652922).

2778316130 is a wasteful number, since it uses less digits than its factorization.

2778316130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277831620.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 2778316130 is about 52709.7346796586. The cubic root of 2778316130 is about 1405.8119157401.

The spelling of 2778316130 in words is "two billion, seven hundred seventy-eight million, three hundred sixteen thousand, one hundred thirty".