78926314211 has 2 divisors, whose sum is σ = 78926314212. Its totient is φ = 78926314210.

The previous prime is 78926314139. The next prime is 78926314253. The reversal of 78926314211 is 11241362987.

It is a strong prime.

It is an emirp because it is prime and its reverse (11241362987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78926314211 - 2¹⁰ = 78926313187 is a prime.

It is not a weakly prime, because it can be changed into another prime (78926374211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39463157105 + 39463157106.

It is an arithmetic number, because the mean of its divisors is an integer number (39463157106).

Almost surely, 2^78926314211 is an apocalyptic number.

78926314211 is a deficient number, since it is larger than the sum of its proper divisors (1).

78926314211 is an equidigital number, since it uses as much as digits as its factorization.

78926314211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The spelling of 78926314211 in words is "seventy-eight billion, nine hundred twenty-six million, three hundred fourteen thousand, two hundred eleven".