7804774668 has 24 divisors (see below), whose sum is σ = 18223078720. Its totient is φ = 2599886160.

The previous prime is 7804774643. The next prime is 7804774687. The reversal of 7804774668 is 8664774087.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194038 + ... + 230781.

Almost surely, 2^7804774668 is an apocalyptic number.

It is an amenable number.

7804774668 is an abundant number, since it is smaller than the sum of its proper divisors (10418304052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7804774668 is a wasteful number, since it uses less digits than its factorization.

7804774668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426357 (or 426355 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 57.

The square root of 7804774668 is about 88344.6357624502. The cubic root of 7804774668 is about 1983.5970619208.

The spelling of 7804774668 in words is "seven billion, eight hundred four million, seven hundred seventy-four thousand, six hundred sixty-eight".