78005363879139 has 8 divisors (see below), whose sum is σ = 104007239851200. Its totient is φ = 52003531913256.

The previous prime is 78005363879101. The next prime is 78005363879167. The reversal of 78005363879139 is 93197836350087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78005363879139 - 2²⁵ = 78005330324707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78005363879539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6615697 + ... + 14134290.

It is an arithmetic number, because the mean of its divisors is an integer number (13000904981400).

Almost surely, 2^{78005363879139} is an apocalyptic number.

78005363879139 is a deficient number, since it is larger than the sum of its proper divisors (26001875972061).

78005363879139 is a wasteful number, since it uses less digits than its factorization.

78005363879139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22003089.

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 78005363879139 in words is "seventy-eight trillion, five billion, three hundred sixty-three million, eight hundred seventy-nine thousand, one hundred thirty-nine".