77745184084 has 48 divisors (see below), whose sum is σ = 141416948736. Its totient is φ = 37358438400.

The previous prime is 77745184081. The next prime is 77745184129. The reversal of 77745184084 is 48048154777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77745184081) 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 15 ways as a sum of consecutive naturals, for example, 15481494 + ... + 15486514.

It is an arithmetic number, because the mean of its divisors is an integer number (2946186432).

Almost surely, 2^77745184084 is an apocalyptic number.

It is an amenable number.

77745184084 is a deficient number, since it is larger than the sum of its proper divisors (63671764652).

77745184084 is a wasteful number, since it uses less digits than its factorization.

77745184084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5894 counting only the distinct ones).

The product of its (nonzero) digits is 7024640, while the sum is 55.

The spelling of 77745184084 in words is "seventy-seven billion, seven hundred forty-five million, one hundred eighty-four thousand, eighty-four".