77693847017 has 8 divisors (see below), whose sum is σ = 84603100800. Its totient is φ = 71066603664.

The previous prime is 77693847001. The next prime is 77693847037. The reversal of 77693847017 is 71074839677.

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 77693847017 - 2⁴ = 77693847001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77693847037) 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, 70502033 + ... + 70503134.

It is an arithmetic number, because the mean of its divisors is an integer number (10575387600).

Almost surely, 2^77693847017 is an apocalyptic number.

It is an amenable number.

77693847017 is a deficient number, since it is larger than the sum of its proper divisors (6909253783).

77693847017 is a wasteful number, since it uses less digits than its factorization.

77693847017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141005215.

The product of its (nonzero) digits is 12446784, while the sum is 59.

The spelling of 77693847017 in words is "seventy-seven billion, six hundred ninety-three million, eight hundred forty-seven thousand, seventeen".