9778968 has 40 divisors (see below), whose sum is σ = 27391980. Its totient is φ = 3259440.

The previous prime is 9778963. The next prime is 9778969. The reversal of 9778968 is 8698779.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6898 + ... + 8193.

Almost surely, 2^9778968 is an apocalyptic number.

It is an amenable number.

9778968 is an abundant number, since it is smaller than the sum of its proper divisors (17613012).

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

9778968 is a wasteful number, since it uses less digits than its factorization.

9778968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109 (or 15096 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 9778968 is about 3127.1341512637. The cubic root of 9778968 is about 213.8442981900.

The spelling of 9778968 in words is "nine million, seven hundred seventy-eight thousand, nine hundred sixty-eight".