8120658892 has 12 divisors (see below), whose sum is σ = 14323052800. Its totient is φ = 4028358096.

The previous prime is 8120658883. The next prime is 8120658893. The reversal of 8120658892 is 2988560218.

It is not an unprimeable number, because it can be changed into a prime (8120658893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7992267 + ... + 7993282.

Almost surely, 2^8120658892 is an apocalyptic number.

It is an amenable number.

8120658892 is a deficient number, since it is larger than the sum of its proper divisors (6202393908).

8120658892 is a wasteful number, since it uses less digits than its factorization.

8120658892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15985680 (or 15985678 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 8120658892 is about 90114.6985347008. The cubic root of 8120658892 is about 2010.0047764381.

The spelling of 8120658892 in words is "eight billion, one hundred twenty million, six hundred fifty-eight thousand, eight hundred ninety-two".