77066057743 has 32 divisors (see below), whose sum is σ = 83469450240. Its totient is φ = 71011207680.

The previous prime is 77066057723. The next prime is 77066057813. The reversal of 77066057743 is 34775066077.

It is a cyclic number.

It is not a de Polignac number, because 77066057743 - 2⁹ = 77066057231 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 (77066057723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10000830 + ... + 10008532.

It is an arithmetic number, because the mean of its divisors is an integer number (2608420320).

Almost surely, 2^77066057743 is an apocalyptic number.

77066057743 is a deficient number, since it is larger than the sum of its proper divisors (6403392497).

77066057743 is a wasteful number, since it uses less digits than its factorization.

77066057743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959.

The product of its (nonzero) digits is 5186160, while the sum is 52.

The spelling of 77066057743 in words is "seventy-seven billion, sixty-six million, fifty-seven thousand, seven hundred forty-three".