77194396 has 12 divisors (see below), whose sum is σ = 135166248. Its totient is φ = 38575472.

The previous prime is 77194391. The next prime is 77194409. The reversal of 77194396 is 69349177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77194391) 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, 4635 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (11263854).

Almost surely, 2^77194396 is an apocalyptic number.

It is an amenable number.

77194396 is a deficient number, since it is larger than the sum of its proper divisors (57971852).

77194396 is a wasteful number, since it uses less digits than its factorization.

77194396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868 (or 10866 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 77194396 is about 8786.0341451647. The cubic root of 77194396 is about 425.7898042429.

The spelling of 77194396 in words is "seventy-seven million, one hundred ninety-four thousand, three hundred ninety-six".