78804646460011 has 8 divisors (see below), whose sum is σ = 80295302779920. Its totient is φ = 77314129999392.

The previous prime is 78804646459969. The next prime is 78804646460017. The reversal of 78804646460011 is 11006464640887.

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 78804646460011 - 2⁹ = 78804646459499 is a prime.

It is a super-3 number, since 3×78804646460011³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78804646460017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33826905 + ... + 36081418.

It is an arithmetic number, because the mean of its divisors is an integer number (10036912847490).

Almost surely, 2^{78804646460011} is an apocalyptic number.

78804646460011 is a deficient number, since it is larger than the sum of its proper divisors (1490656319909).

78804646460011 is a wasteful number, since it uses less digits than its factorization.

78804646460011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69929645.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 78804646460011 in words is "seventy-eight trillion, eight hundred four billion, six hundred forty-six million, four hundred sixty thousand, eleven".