77663753366 has 16 divisors (see below), whose sum is σ = 118326217920. Its totient is φ = 38222581320.

The previous prime is 77663753339. The next prime is 77663753393. The reversal of 77663753366 is 66335736677.

It is an interprime number because it is at equal distance from previous prime (77663753339) and next prime (77663753393).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51476 + ... + 397463.

It is an arithmetic number, because the mean of its divisors is an integer number (7395388620).

Almost surely, 2^77663753366 is an apocalyptic number.

77663753366 is a deficient number, since it is larger than the sum of its proper divisors (40662464554).

77663753366 is a wasteful number, since it uses less digits than its factorization.

77663753366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450299.

The product of its digits is 60011280, while the sum is 59.

The spelling of 77663753366 in words is "seventy-seven billion, six hundred sixty-three million, seven hundred fifty-three thousand, three hundred sixty-six".