9778563382 has 24 divisors (see below), whose sum is σ = 17192866680. Its totient is φ = 4158816480.

The previous prime is 9778563373. The next prime is 9778563383. The reversal of 9778563382 is 2833658779.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778563383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368007 + ... + 393682.

It is an arithmetic number, because the mean of its divisors is an integer number (716369445).

Almost surely, 2^9778563382 is an apocalyptic number.

9778563382 is a deficient number, since it is larger than the sum of its proper divisors (7414303298).

9778563382 is a wasteful number, since it uses less digits than its factorization.

9778563382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761836 (or 761829 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The square root of 9778563382 is about 98886.6188217597. The cubic root of 9778563382 is about 2138.4134878388.

The spelling of 9778563382 in words is "nine billion, seven hundred seventy-eight million, five hundred sixty-three thousand, three hundred eighty-two".