78887382146115 has 8 divisors (see below), whose sum is σ = 126219811433808. Its totient is φ = 42073270477920.

The previous prime is 78887382146033. The next prime is 78887382146119. The reversal of 78887382146115 is 51164128378887.

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

It is not a de Polignac number, because 78887382146115 - 2¹³ = 78887382137923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78887382146115.

It is not an unprimeable number, because it can be changed into a prime (78887382146119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629579404856 + ... + 2629579404885.

It is an arithmetic number, because the mean of its divisors is an integer number (15777476429226).

Almost surely, 2^{78887382146115} is an apocalyptic number.

78887382146115 is a deficient number, since it is larger than the sum of its proper divisors (47332429287693).

78887382146115 is a wasteful number, since it uses less digits than its factorization.

78887382146115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259158809749.

The product of its digits is 144506880, while the sum is 69.

The spelling of 78887382146115 in words is "seventy-eight trillion, eight hundred eighty-seven billion, three hundred eighty-two million, one hundred forty-six thousand, one hundred fifteen".