8947921606088 has 16 divisors (see below), whose sum is σ = 16783104633180. Its totient is φ = 4472427037248.

The previous prime is 8947921606069. The next prime is 8947921606111. The reversal of 8947921606088 is 8806061297498.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5707712802724 + 3240208803364 = 2389082^2 + 1800058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191695931 + ... + 191742602.

Almost surely, 2^{8947921606088} is an apocalyptic number.

It is an amenable number.

8947921606088 is a deficient number, since it is larger than the sum of its proper divisors (7835183027092).

8947921606088 is a wasteful number, since it uses less digits than its factorization.

8947921606088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383441456 (or 383441452 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 68.

The spelling of 8947921606088 in words is "eight trillion, nine hundred forty-seven billion, nine hundred twenty-one million, six hundred six thousand, eighty-eight".