76443813782 has 16 divisors (see below), whose sum is σ = 131053751712. Its totient is φ = 32759831040.

The previous prime is 76443813779. The next prime is 76443813811. The reversal of 76443813782 is 28731834467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131318 + ... + 412470.

It is an arithmetic number, because the mean of its divisors is an integer number (8190859482).

Almost surely, 2^76443813782 is an apocalyptic number.

76443813782 is a deficient number, since it is larger than the sum of its proper divisors (54609937930).

76443813782 is a wasteful number, since it uses less digits than its factorization.

76443813782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300583.

The product of its digits is 5419008, while the sum is 53.

The spelling of 76443813782 in words is "seventy-six billion, four hundred forty-three million, eight hundred thirteen thousand, seven hundred eighty-two".