78787605768226 has 32 divisors (see below), whose sum is σ = 121355251056000. Its totient is φ = 38348888298240.

The previous prime is 78787605768199. The next prime is 78787605768227. The reversal of 78787605768226 is 62286750678787.

It is not an unprimeable number, because it can be changed into a prime (78787605768227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457499856 + ... + 457672036.

It is an arithmetic number, because the mean of its divisors is an integer number (3792351595500).

Almost surely, 2^{78787605768226} is an apocalyptic number.

78787605768226 is a deficient number, since it is larger than the sum of its proper divisors (42567645287774).

78787605768226 is a wasteful number, since it uses less digits than its factorization.

78787605768226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209994.

The product of its (nonzero) digits is 5310627840, while the sum is 79.

The spelling of 78787605768226 in words is "seventy-eight trillion, seven hundred eighty-seven billion, six hundred five million, seven hundred sixty-eight thousand, two hundred twenty-six".