8139979008000 has 3072 divisors, whose sum is σ = 36475497676800. Its totient is φ = 1773674496000.

The previous prime is 8139979007989. The next prime is 8139979008011. The reversal of 8139979008000 is 8009799318.

It is an interprime number because it is at equal distance from previous prime (8139979007989) and next prime (8139979008011).

It is a tau number, because it is divible by the number of its divisors (3072).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 121492223967 + ... + 121492224033.

It is an arithmetic number, because the mean of its divisors is an integer number (11873534400).

Almost surely, 2^{8139979008000} is an apocalyptic number.

8139979008000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8139979008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18237748838400).

8139979008000 is an abundant number, since it is smaller than the sum of its proper divisors (28335518668800).

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

8139979008000 is an frugal number, since it uses more digits than its factorization.

8139979008000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 8139979008000 in words is "eight trillion, one hundred thirty-nine billion, nine hundred seventy-nine million, eight thousand".