77324148817 has 32 divisors (see below), whose sum is σ = 84939662720. Its totient is φ = 70138897920.

The previous prime is 77324148761. The next prime is 77324148821. The reversal of 77324148817 is 71884142377.

It is a cyclic number.

It is not a de Polignac number, because 77324148817 - 2⁷ = 77324148689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77324148827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15596503 + ... + 15601459.

It is an arithmetic number, because the mean of its divisors is an integer number (2654364460).

Almost surely, 2^77324148817 is an apocalyptic number.

It is an amenable number.

77324148817 is a deficient number, since it is larger than the sum of its proper divisors (7615513903).

77324148817 is a wasteful number, since it uses less digits than its factorization.

77324148817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393.

The product of its digits is 2107392, while the sum is 52.

The spelling of 77324148817 in words is "seventy-seven billion, three hundred twenty-four million, one hundred forty-eight thousand, eight hundred seventeen".