78860907199 has 2 divisors, whose sum is σ = 78860907200. Its totient is φ = 78860907198.

The previous prime is 78860907173. The next prime is 78860907217. The reversal of 78860907199 is 99170906887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78860907199 - 2²¹ = 78858810047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78860907199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78860907109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39430453599 + 39430453600.

It is an arithmetic number, because the mean of its divisors is an integer number (39430453600).

Almost surely, 2^78860907199 is an apocalyptic number.

78860907199 is a deficient number, since it is larger than the sum of its proper divisors (1).

78860907199 is an equidigital number, since it uses as much as digits as its factorization.

78860907199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 64.

The spelling of 78860907199 in words is "seventy-eight billion, eight hundred sixty million, nine hundred seven thousand, one hundred ninety-nine".