76843389512 has 16 divisors (see below), whose sum is σ = 144084303360. Its totient is φ = 38420908624.

The previous prime is 76843389481. The next prime is 76843389521. The reversal of 76843389512 is 21598334867.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676313 + ... + 781719.

It is an arithmetic number, because the mean of its divisors is an integer number (9005268960).

Almost surely, 2^76843389512 is an apocalyptic number.

It is an amenable number.

76843389512 is a deficient number, since it is larger than the sum of its proper divisors (67240913848).

76843389512 is a wasteful number, since it uses less digits than its factorization.

76843389512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196540 (or 196536 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 76843389512 in words is "seventy-six billion, eight hundred forty-three million, three hundred eighty-nine thousand, five hundred twelve".