8138726077632 has 28 divisors (see below), whose sum is σ = 21533712747576. Its totient is φ = 2712908692480.

The previous prime is 8138726077631. The next prime is 8138726077639. The reversal of 8138726077632 is 2367706278318.

It is not an unprimeable number, because it can be changed into a prime (8138726077631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21194598969 + ... + 21194599352.

Almost surely, 2^{8138726077632} is an apocalyptic number.

It is an amenable number.

8138726077632 is an abundant number, since it is smaller than the sum of its proper divisors (13394986669944).

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

8138726077632 is a wasteful number, since it uses less digits than its factorization.

8138726077632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42389198336 (or 42389198326 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 8138726077632 in words is "eight trillion, one hundred thirty-eight billion, seven hundred twenty-six million, seventy-seven thousand, six hundred thirty-two".