9778884676 has 24 divisors (see below), whose sum is σ = 18762609600. Its totient is φ = 4422607200.

The previous prime is 9778884671. The next prime is 9778884707. The reversal of 9778884676 is 6764888779.

It is a super-3 number, since 3×9778884676³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9778884671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549655 + ... + 567166.

It is an arithmetic number, because the mean of its divisors is an integer number (781775400).

Almost surely, 2^9778884676 is an apocalyptic number.

It is an amenable number.

9778884676 is a deficient number, since it is larger than the sum of its proper divisors (8983724924).

9778884676 is a wasteful number, since it uses less digits than its factorization.

9778884676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117035 (or 1117033 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 70.

The square root of 9778884676 is about 98888.2433659330. The cubic root of 9778884676 is about 2138.4369081809.

The spelling of 9778884676 in words is "nine billion, seven hundred seventy-eight million, eight hundred eighty-four thousand, six hundred seventy-six".