78780755834 has 8 divisors (see below), whose sum is σ = 128913964128. Its totient is φ = 35809434460.

The previous prime is 78780755797. The next prime is 78780755863. The reversal of 78780755834 is 43855708787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1790471702 + ... + 1790471745.

It is an arithmetic number, because the mean of its divisors is an integer number (16114245516).

Almost surely, 2^78780755834 is an apocalyptic number.

78780755834 is a deficient number, since it is larger than the sum of its proper divisors (50133208294).

78780755834 is a wasteful number, since it uses less digits than its factorization.

78780755834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580943460.

The product of its (nonzero) digits is 52684800, while the sum is 62.

The spelling of 78780755834 in words is "seventy-eight billion, seven hundred eighty million, seven hundred fifty-five thousand, eight hundred thirty-four".