78032109252107 has 2 divisors, whose sum is σ = 78032109252108. Its totient is φ = 78032109252106.

The previous prime is 78032109252059. The next prime is 78032109252143. The reversal of 78032109252107 is 70125290123087.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70125290123087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78032109252107 - 2¹² = 78032109248011 is a prime.

It is not a weakly prime, because it can be changed into another prime (78032109252007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39016054626053 + 39016054626054.

It is an arithmetic number, because the mean of its divisors is an integer number (39016054626054).

Almost surely, 2^{78032109252107} is an apocalyptic number.

78032109252107 is a deficient number, since it is larger than the sum of its proper divisors (1).

78032109252107 is an equidigital number, since it uses as much as digits as its factorization.

78032109252107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 78032109252107 in words is "seventy-eight trillion, thirty-two billion, one hundred nine million, two hundred fifty-two thousand, one hundred seven".