78535701884027 has 2 divisors, whose sum is σ = 78535701884028. Its totient is φ = 78535701884026.

The previous prime is 78535701884023. The next prime is 78535701884039. The reversal of 78535701884027 is 72048810753587.

It is a weak prime.

It is an emirp because it is prime and its reverse (72048810753587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78535701884027 - 2² = 78535701884023 is a prime.

It is not a weakly prime, because it can be changed into another prime (78535701884023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39267850942013 + 39267850942014.

It is an arithmetic number, because the mean of its divisors is an integer number (39267850942014).

Almost surely, 2^{78535701884027} is an apocalyptic number.

78535701884027 is a deficient number, since it is larger than the sum of its proper divisors (1).

78535701884027 is an equidigital number, since it uses as much as digits as its factorization.

78535701884027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105369600, while the sum is 65.

The spelling of 78535701884027 in words is "seventy-eight trillion, five hundred thirty-five billion, seven hundred one million, eight hundred eighty-four thousand, twenty-seven".