7778480708 has 12 divisors (see below), whose sum is σ = 13612973052. Its totient is φ = 3889059840.

The previous prime is 7778480701. The next prime is 7778480771. The reversal of 7778480708 is 8070848777.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6014312704 + 1764168004 = 77552^2 + 42002^2 .

It is not an unprimeable number, because it can be changed into a prime (7778480701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114788 + ... + 169508.

It is an arithmetic number, because the mean of its divisors is an integer number (1134414421).

Almost surely, 2^7778480708 is an apocalyptic number.

It is an amenable number.

7778480708 is a deficient number, since it is larger than the sum of its proper divisors (5834492344).

7778480708 is a wasteful number, since it uses less digits than its factorization.

7778480708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90262 (or 90260 counting only the distinct ones).

The product of its (nonzero) digits is 4917248, while the sum is 56.

The square root of 7778480708 is about 88195.6955185456. The cubic root of 7778480708 is about 1981.3670038237.

The spelling of 7778480708 in words is "seven billion, seven hundred seventy-eight million, four hundred eighty thousand, seven hundred eight".