77346230812 has 12 divisors (see below), whose sum is σ = 135360436120. Its totient is φ = 38671820496.

The previous prime is 77346230791. The next prime is 77346230813. The reversal of 77346230812 is 21803264377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77346230813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182487 + ... + 433582.

Almost surely, 2^77346230812 is an apocalyptic number.

It is an amenable number.

77346230812 is a deficient number, since it is larger than the sum of its proper divisors (58014205308).

77346230812 is a wasteful number, since it uses less digits than its factorization.

77346230812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647460 (or 647458 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 77346230812 in words is "seventy-seven billion, three hundred forty-six million, two hundred thirty thousand, eight hundred twelve".