77804427113 has 8 divisors (see below), whose sum is σ = 89039027328. Its totient is φ = 66599747424.

The previous prime is 77804427067. The next prime is 77804427133. The reversal of 77804427113 is 31172440877.

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

It is not a de Polignac number, because 77804427113 - 2¹⁴ = 77804410729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77804427133) 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 7 ways as a sum of consecutive naturals, for example, 7474556 + ... + 7484957.

It is an arithmetic number, because the mean of its divisors is an integer number (11129878416).

Almost surely, 2^77804427113 is an apocalyptic number.

It is an amenable number.

77804427113 is a deficient number, since it is larger than the sum of its proper divisors (11234600215).

77804427113 is a wasteful number, since it uses less digits than its factorization.

77804427113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14960263.

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 77804427113 in words is "seventy-seven billion, eight hundred four million, four hundred twenty-seven thousand, one hundred thirteen".