1196278884 has 72 divisors (see below), whose sum is σ = 3160717560. Its totient is φ = 381007872.

The previous prime is 1196278883. The next prime is 1196278901. The reversal of 1196278884 is 4888726911.

1196278884 is a `hidden beast` number, since 1 + 1 + 9 + 627 + 8 + 8 + 8 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 121881600 + 1074397284 = 11040^2 + 32778^2 .

It is a super-3 number, since 3×1196278884³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1196278884.

It is not an unprimeable number, because it can be changed into a prime (1196278883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95362 + ... + 107174.

It is an arithmetic number, because the mean of its divisors is an integer number (43898855).

Almost surely, 2^1196278884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1196278884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580358780).

1196278884 is an abundant number, since it is smaller than the sum of its proper divisors (1964438676).

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

1196278884 is a wasteful number, since it uses less digits than its factorization.

1196278884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949 (or 11944 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The square root of 1196278884 is about 34587.2647660956. The cubic root of 1196278884 is about 1061.5590219129.

The spelling of 1196278884 in words is "one billion, one hundred ninety-six million, two hundred seventy-eight thousand, eight hundred eighty-four".