77941448743 has 16 divisors (see below), whose sum is σ = 82386892800. Its totient is φ = 73584688320.

The previous prime is 77941448723. The next prime is 77941448749. The reversal of 77941448743 is 34784414977.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77941448743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77941448749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7973563 + ... + 7983331.

It is an arithmetic number, because the mean of its divisors is an integer number (5149180800).

Almost surely, 2^77941448743 is an apocalyptic number.

77941448743 is a deficient number, since it is larger than the sum of its proper divisors (4445444057).

77941448743 is a wasteful number, since it uses less digits than its factorization.

77941448743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262.

The product of its digits is 18966528, while the sum is 58.

The spelling of 77941448743 in words is "seventy-seven billion, nine hundred forty-one million, four hundred forty-eight thousand, seven hundred forty-three".