78596645355 has 192 divisors, whose sum is σ = 152970854400. Its totient is φ = 38593376640.

The previous prime is 78596645341. The next prime is 78596645359. The reversal of 78596645355 is 55354669587.

It is a happy number.

78596645355 is a `hidden beast` number, since 7 + 8 + 5 + 96 + 6 + 4 + 535 + 5 = 666.

It is not a de Polignac number, because 78596645355 - 2¹² = 78596641259 is a prime.

It is a super-2 number, since 2×78596645355² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78596645292 and 78596645301.

It is not an unprimeable number, because it can be changed into a prime (78596645359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 129483462 + ... + 129484068.

It is an arithmetic number, because the mean of its divisors is an integer number (796723200).

Almost surely, 2^78596645355 is an apocalyptic number.

78596645355 is a deficient number, since it is larger than the sum of its proper divisors (74374209045).

78596645355 is a wasteful number, since it uses less digits than its factorization.

78596645355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 784 counting only the distinct ones).

The product of its digits is 136080000, while the sum is 63.

The spelling of 78596645355 in words is "seventy-eight billion, five hundred ninety-six million, six hundred forty-five thousand, three hundred fifty-five".