77799196 has 12 divisors (see below), whose sum is σ = 137471152. Its totient is φ = 38521728.

The previous prime is 77799193. The next prime is 77799203. The reversal of 77799196 is 69199777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77799193) 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, 94005 + ... + 94828.

Almost surely, 2^77799196 is an apocalyptic number.

It is an amenable number.

77799196 is a deficient number, since it is larger than the sum of its proper divisors (59671956).

77799196 is a wasteful number, since it uses less digits than its factorization.

77799196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188940 (or 188938 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 55.

The square root of 77799196 is about 8820.3852523572. The cubic root of 77799196 is about 426.8989005366.

The spelling of 77799196 in words is "seventy-seven million, seven hundred ninety-nine thousand, one hundred ninety-six".