77168068 has 24 divisors (see below), whose sum is σ = 138791520. Its totient is φ = 37519680.

The previous prime is 77168033. The next prime is 77168071. The reversal of 77168068 is 86086177.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68155 + ... + 69277.

It is an arithmetic number, because the mean of its divisors is an integer number (5782980).

Almost surely, 2^77168068 is an apocalyptic number.

It is an amenable number.

77168068 is a deficient number, since it is larger than the sum of its proper divisors (61623452).

77168068 is a wasteful number, since it uses less digits than its factorization.

77168068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 77168068 is about 8784.5357304755. The cubic root of 77168068 is about 425.7413919693.

The spelling of 77168068 in words is "seventy-seven million, one hundred sixty-eight thousand, sixty-eight".