78304816011 has 8 divisors (see below), whose sum is σ = 104409930240. Its totient is φ = 52201456232.

The previous prime is 78304815959. The next prime is 78304816013. The reversal of 78304816011 is 11061840387.

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

It is a cyclic number.

It is not a de Polignac number, because 78304816011 - 2⁹ = 78304815499 is a prime.

It is a super-2 number, since 2×78304816011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78304816013) 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 7 ways as a sum of consecutive naturals, for example, 330675 + ... + 515708.

It is an arithmetic number, because the mean of its divisors is an integer number (13051241280).

Almost surely, 2^78304816011 is an apocalyptic number.

78304816011 is a deficient number, since it is larger than the sum of its proper divisors (26105114229).

78304816011 is a wasteful number, since it uses less digits than its factorization.

78304816011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877225.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 78304816011 in words is "seventy-eight billion, three hundred four million, eight hundred sixteen thousand, eleven".