9878413626 has 12 divisors (see below), whose sum is σ = 21403229562. Its totient is φ = 3292804536.

The previous prime is 9878413591. The next prime is 9878413667. The reversal of 9878413626 is 6263148789.

9878413626 is a `hidden beast` number, since 9 + 8 + 7 + 8 + 4 + 1 + 3 + 626 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7697430225 + 2180983401 = 87735^2 + 46701^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274400361 + ... + 274400396.

Almost surely, 2^9878413626 is an apocalyptic number.

9878413626 is an abundant number, since it is smaller than the sum of its proper divisors (11524815936).

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

9878413626 is a wasteful number, since it uses less digits than its factorization.

9878413626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548800765 (or 548800762 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 9878413626 is about 99390.2089040968. The cubic root of 9878413626 is about 2145.6673972597.

The spelling of 9878413626 in words is "nine billion, eight hundred seventy-eight million, four hundred thirteen thousand, six hundred twenty-six".