77663006630 has 24 divisors (see below), whose sum is σ = 153657223776. Its totient is φ = 28241092880.

The previous prime is 77663006581. The next prime is 77663006639. The reversal of 77663006630 is 3660036677.

It is a super-2 number, since 2×77663006630² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77663006639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32090942 + ... + 32093361.

It is an arithmetic number, because the mean of its divisors is an integer number (6402384324).

Almost surely, 2^77663006630 is an apocalyptic number.

77663006630 is a deficient number, since it is larger than the sum of its proper divisors (75994217146).

77663006630 is a wasteful number, since it uses less digits than its factorization.

77663006630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64184332 (or 64184321 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 77663006630 in words is "seventy-seven billion, six hundred sixty-three million, six thousand, six hundred thirty".