6308778122 has 4 divisors (see below), whose sum is σ = 9463167186. Its totient is φ = 3154389060.

The previous prime is 6308778121. The next prime is 6308778131. The reversal of 6308778122 is 2218778036.

It is a happy number.

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., 3965346841 + 2343431281 = 62971^2 + 48409^2 .

It is not an unprimeable number, because it can be changed into a prime (6308778121) 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 as a sum of consecutive naturals, namely, 1577194529 + ... + 1577194532.

Almost surely, 2^6308778122 is an apocalyptic number.

6308778122 is a deficient number, since it is larger than the sum of its proper divisors (3154389064).

6308778122 is a wasteful number, since it uses less digits than its factorization.

6308778122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154389063.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 6308778122 is about 79427.8170542286. The cubic root of 6308778122 is about 1847.7721535665.

The spelling of 6308778122 in words is "six billion, three hundred eight million, seven hundred seventy-eight thousand, one hundred twenty-two".