76743344394 has 12 divisors (see below), whose sum is σ = 166277246226. Its totient is φ = 25581114792.

The previous prime is 76743344387. The next prime is 76743344413. The reversal of 76743344394 is 49344334767.

76743344394 is a `hidden beast` number, since 76 + 7 + 43 + 3 + 443 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 76399724025 + 343620369 = 276405^2 + 18537^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76743344394.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2131759549 + ... + 2131759584.

Almost surely, 2^76743344394 is an apocalyptic number.

76743344394 is an abundant number, since it is smaller than the sum of its proper divisors (89533901832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76743344394 is a wasteful number, since it uses less digits than its factorization.

76743344394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263519141 (or 4263519138 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 54.

The spelling of 76743344394 in words is "seventy-six billion, seven hundred forty-three million, three hundred forty-four thousand, three hundred ninety-four".