78530776613223 has 64 divisors (see below), whose sum is σ = 123980193146880. Its totient is φ = 43696020240000.

The previous prime is 78530776613213. The next prime is 78530776613281. The reversal of 78530776613223 is 32231667703587.

It is not a de Polignac number, because 78530776613223 - 2¹⁰ = 78530776612199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78530776613213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 920265 + ... + 12566162.

It is an arithmetic number, because the mean of its divisors is an integer number (1937190517920).

Almost surely, 2^{78530776613223} is an apocalyptic number.

78530776613223 is a deficient number, since it is larger than the sum of its proper divisors (45449416533657).

78530776613223 is a wasteful number, since it uses less digits than its factorization.

78530776613223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486748.

The product of its (nonzero) digits is 53343360, while the sum is 60.

The spelling of 78530776613223 in words is "seventy-eight trillion, five hundred thirty billion, seven hundred seventy-six million, six hundred thirteen thousand, two hundred twenty-three".