9927620008 has 8 divisors (see below), whose sum is σ = 18614287530. Its totient is φ = 4963810000.

The previous prime is 9927619991. The next prime is 9927620041. The reversal of 9927620008 is 8000267299.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6528963204 + 3398656804 = 80802^2 + 58298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620476243 + ... + 620476258.

Almost surely, 2^9927620008 is an apocalyptic number.

It is an amenable number.

9927620008 is a deficient number, since it is larger than the sum of its proper divisors (8686667522).

9927620008 is a wasteful number, since it uses less digits than its factorization.

9927620008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240952507 (or 1240952503 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9927620008 is about 99637.4428013887. The cubic root of 9927620008 is about 2149.2241662950.

The spelling of 9927620008 in words is "nine billion, nine hundred twenty-seven million, six hundred twenty thousand, eight".