9778295466 has 48 divisors (see below), whose sum is σ = 21886824960. Its totient is φ = 3151824480.

The previous prime is 9778295383. The next prime is 9778295537. The reversal of 9778295466 is 6645928779.

9778295466 is a `hidden beast` number, since 9 + 7 + 7 + 82 + 9 + 546 + 6 = 666.

9778295466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791251 + ... + 803513.

It is an arithmetic number, because the mean of its divisors is an integer number (455975520).

Almost surely, 2^9778295466 is an apocalyptic number.

9778295466 is an abundant number, since it is smaller than the sum of its proper divisors (12108529494).

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

9778295466 is a wasteful number, since it uses less digits than its factorization.

9778295466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13731 (or 13728 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 9778295466 is about 98885.2641499228. The cubic root of 9778295466 is about 2138.3939580300.

The spelling of 9778295466 in words is "nine billion, seven hundred seventy-eight million, two hundred ninety-five thousand, four hundred sixty-six".