9778267116 has 18 divisors (see below), whose sum is σ = 24717286412. Its totient is φ = 3259422360.

The previous prime is 9778267097. The next prime is 9778267117. The reversal of 9778267116 is 6117628779.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×9778267116² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9778267117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135809230 + ... + 135809301.

Almost surely, 2^9778267116 is an apocalyptic number.

It is an amenable number.

9778267116 is an abundant number, since it is smaller than the sum of its proper divisors (14939019296).

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

9778267116 is a wasteful number, since it uses less digits than its factorization.

9778267116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271618541 (or 271618536 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The square root of 9778267116 is about 98885.1208018679. The cubic root of 9778267116 is about 2138.3918914282.

The spelling of 9778267116 in words is "nine billion, seven hundred seventy-eight million, two hundred sixty-seven thousand, one hundred sixteen".