78560014360649 has 2 divisors, whose sum is σ = 78560014360650. Its totient is φ = 78560014360648.

The previous prime is 78560014360567. The next prime is 78560014360691. The reversal of 78560014360649 is 94606341006587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76851522250000 + 1708492110649 = 8766500^2 + 1307093^2 .

It is a cyclic number.

It is not a de Polignac number, because 78560014360649 - 2⁸ = 78560014360393 is a prime.

It is not a weakly prime, because it can be changed into another prime (78560014360349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39280007180324 + 39280007180325.

It is an arithmetic number, because the mean of its divisors is an integer number (39280007180325).

Almost surely, 2^{78560014360649} is an apocalyptic number.

It is an amenable number.

78560014360649 is a deficient number, since it is larger than the sum of its proper divisors (1).

78560014360649 is an equidigital number, since it uses as much as digits as its factorization.

78560014360649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 78560014360649 in words is "seventy-eight trillion, five hundred sixty billion, fourteen million, three hundred sixty thousand, six hundred forty-nine".