7782428716 has 12 divisors (see below), whose sum is σ = 13625753400. Its totient is φ = 3889356320.

The previous prime is 7782428699. The next prime is 7782428737. The reversal of 7782428716 is 6178242877.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455065 + ... + 471856.

It is an arithmetic number, because the mean of its divisors is an integer number (1135479450).

Almost surely, 2^7782428716 is an apocalyptic number.

It is an amenable number.

7782428716 is a deficient number, since it is larger than the sum of its proper divisors (5843324684).

7782428716 is a wasteful number, since it uses less digits than its factorization.

7782428716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929024 (or 929022 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 52.

The square root of 7782428716 is about 88218.0747692898. The cubic root of 7782428716 is about 1981.7021648063.

It can be divided in two parts, 778242871 and 6, that added together give a palindrome (778242877).

The spelling of 7782428716 in words is "seven billion, seven hundred eighty-two million, four hundred twenty-eight thousand, seven hundred sixteen".