7778242796 has 12 divisors (see below), whose sum is σ = 13627452048. Its totient is φ = 3884685072.

The previous prime is 7778242789. The next prime is 7778242837. The reversal of 7778242796 is 6972428777.

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, 1105136 + ... + 1112151.

It is an arithmetic number, because the mean of its divisors is an integer number (1135621004).

Almost surely, 2^7778242796 is an apocalyptic number.

It is an amenable number.

7778242796 is a deficient number, since it is larger than the sum of its proper divisors (5849209252).

7778242796 is a wasteful number, since it uses less digits than its factorization.

7778242796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218168 (or 2218166 counting only the distinct ones).

The product of its digits is 16595712, while the sum is 59.

The square root of 7778242796 is about 88194.3467349240. The cubic root of 7778242796 is about 1981.3468029725.

The spelling of 7778242796 in words is "seven billion, seven hundred seventy-eight million, two hundred forty-two thousand, seven hundred ninety-six".