78099515383 has 2 divisors, whose sum is σ = 78099515384. Its totient is φ = 78099515382.

The previous prime is 78099515327. The next prime is 78099515401. The reversal of 78099515383 is 38351599087.

It is a strong prime.

It is an emirp because it is prime and its reverse (38351599087) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78099515383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78099515183) 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 as a sum of consecutive naturals, namely, 39049757691 + 39049757692.

It is an arithmetic number, because the mean of its divisors is an integer number (39049757692).

Almost surely, 2^78099515383 is an apocalyptic number.

78099515383 is a deficient number, since it is larger than the sum of its proper divisors (1).

78099515383 is an equidigital number, since it uses as much as digits as its factorization.

78099515383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 78099515383 in words is "seventy-eight billion, ninety-nine million, five hundred fifteen thousand, three hundred eighty-three".