78533428022353 has 2 divisors, whose sum is σ = 78533428022354. Its totient is φ = 78533428022352.

The previous prime is 78533428022299. The next prime is 78533428022381. The reversal of 78533428022353 is 35322082433587.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67589823017809 + 10943605004544 = 8221303^2 + 3308112^2 .

It is a cyclic number.

It is not a de Polignac number, because 78533428022353 - 2²⁵ = 78533394467921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78533428022294 and 78533428022303.

It is not a weakly prime, because it can be changed into another prime (78533428022053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39266714011176 + 39266714011177.

It is an arithmetic number, because the mean of its divisors is an integer number (39266714011177).

Almost surely, 2^{78533428022353} is an apocalyptic number.

It is an amenable number.

78533428022353 is a deficient number, since it is larger than the sum of its proper divisors (1).

78533428022353 is an equidigital number, since it uses as much as digits as its factorization.

78533428022353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 78533428022353 in words is "seventy-eight trillion, five hundred thirty-three billion, four hundred twenty-eight million, twenty-two thousand, three hundred fifty-three".