7788225568 has 12 divisors (see below), whose sum is σ = 15333069150. Its totient is φ = 3894112768.

The previous prime is 7788225559. The next prime is 7788225583. The reversal of 7788225568 is 8655228877.

It can be written as a sum of positive squares in only one way, i.e., 7777123344 + 11102224 = 88188^2 + 3332^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121690993 + ... + 121691056.

Almost surely, 2^7788225568 is an apocalyptic number.

It is an amenable number.

7788225568 is a deficient number, since it is larger than the sum of its proper divisors (7544843582).

7788225568 is a wasteful number, since it uses less digits than its factorization.

7788225568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243382059 (or 243382051 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 58.

The square root of 7788225568 is about 88250.9238931809. The cubic root of 7788225568 is about 1982.1940756443.

The spelling of 7788225568 in words is "seven billion, seven hundred eighty-eight million, two hundred twenty-five thousand, five hundred sixty-eight".