77063966 has 24 divisors (see below), whose sum is σ = 135678240. Its totient is φ = 32730432.

The previous prime is 77063953. The next prime is 77063977. The reversal of 77063966 is 66936077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7595 + ... + 14553.

It is an arithmetic number, because the mean of its divisors is an integer number (5653260).

Almost surely, 2^77063966 is an apocalyptic number.

77063966 is a deficient number, since it is larger than the sum of its proper divisors (58614274).

77063966 is a wasteful number, since it uses less digits than its factorization.

77063966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088 (or 7081 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 77063966 is about 8778.6084318644. The cubic root of 77063966 is about 425.5498599173.

The spelling of 77063966 in words is "seventy-seven million, sixty-three thousand, nine hundred sixty-six".