77344055738636 has 144 divisors (see below), whose sum is σ = 144298251804672. Its totient is φ = 36235600128000.

The previous prime is 77344055738627. The next prime is 77344055738647. The reversal of 77344055738636 is 63683755044377.

It is a happy number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 39643287461 + ... + 39643289411.

It is an arithmetic number, because the mean of its divisors is an integer number (1002071193088).

Almost surely, 2^{77344055738636} is an apocalyptic number.

It is an amenable number.

77344055738636 is a deficient number, since it is larger than the sum of its proper divisors (66954196066036).

77344055738636 is a wasteful number, since it uses less digits than its factorization.

77344055738636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080 (or 3041 counting only the distinct ones).

The product of its (nonzero) digits is 1066867200, while the sum is 68.

The spelling of 77344055738636 in words is "seventy-seven trillion, three hundred forty-four billion, fifty-five million, seven hundred thirty-eight thousand, six hundred thirty-six".