77630368 has 24 divisors (see below), whose sum is σ = 153522432. Its totient is φ = 38640576.

The previous prime is 77630363. The next prime is 77630387. The reversal of 77630368 is 86303677.

It is a self number, because there is not a number n which added to its sum of digits gives 77630368.

It is not an unprimeable number, because it can be changed into a prime (77630363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921 + ... + 12607.

It is an arithmetic number, because the mean of its divisors is an integer number (6396768).

Almost surely, 2^77630368 is an apocalyptic number.

It is an amenable number.

77630368 is a deficient number, since it is larger than the sum of its proper divisors (75892064).

77630368 is a wasteful number, since it uses less digits than its factorization.

77630368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 77630368 is about 8810.8097244237. The cubic root of 77630368 is about 426.5898798448.

The spelling of 77630368 in words is "seventy-seven million, six hundred thirty thousand, three hundred sixty-eight".