77436424175044 has 12 divisors (see below), whose sum is σ = 147833173425168. Its totient is φ = 35198374625000.

The previous prime is 77436424175029. The next prime is 77436424175059. The reversal of 77436424175044 is 44057142463477.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77436424175029) and next prime (77436424175059).

It is a self number, because there is not a number n which added to its sum of digits gives 77436424175044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879959365582 + ... + 879959365669.

It is an arithmetic number, because the mean of its divisors is an integer number (12319431118764).

Almost surely, 2^{77436424175044} is an apocalyptic number.

It is an amenable number.

77436424175044 is a deficient number, since it is larger than the sum of its proper divisors (70396749250124).

77436424175044 is a wasteful number, since it uses less digits than its factorization.

77436424175044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759918731266 (or 1759918731264 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 58.

The spelling of 77436424175044 in words is "seventy-seven trillion, four hundred thirty-six billion, four hundred twenty-four million, one hundred seventy-five thousand, forty-four".