8139648055 has 16 divisors (see below), whose sum is σ = 12177759744. Its totient is φ = 5074066080.

The previous prime is 8139648037. The next prime is 8139648061. The reversal of 8139648055 is 5508469318.

It is not a de Polignac number, because 8139648055 - 2¹⁹ = 8139123767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10570587 + ... + 10571356.

It is an arithmetic number, because the mean of its divisors is an integer number (761109984).

Almost surely, 2^8139648055 is an apocalyptic number.

8139648055 is a deficient number, since it is larger than the sum of its proper divisors (4038111689).

8139648055 is a wasteful number, since it uses less digits than its factorization.

8139648055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21141966.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 8139648055 is about 90219.9980880071. The cubic root of 8139648055 is about 2011.5702732282.

The spelling of 8139648055 in words is "eight billion, one hundred thirty-nine million, six hundred forty-eight thousand, fifty-five".