77612168 has 16 divisors (see below), whose sum is σ = 145700880. Its totient is φ = 38758608.

The previous prime is 77612167. The next prime is 77612173. The reversal of 77612168 is 86121677.

It is not an unprimeable number, because it can be changed into a prime (77612167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (9106305).

Almost surely, 2^77612168 is an apocalyptic number.

It is an amenable number.

77612168 is a deficient number, since it is larger than the sum of its proper divisors (68088712).

77612168 is a wasteful number, since it uses less digits than its factorization.

77612168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876 (or 11872 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 77612168 is about 8809.7768416686. The cubic root of 77612168 is about 426.5565400456.

The spelling of 77612168 in words is "seventy-seven million, six hundred twelve thousand, one hundred sixty-eight".