63777392416 has 24 divisors (see below), whose sum is σ = 132170255280. Its totient is φ = 30210343488.

The previous prime is 63777392411. The next prime is 63777392449. The reversal of 63777392416 is 61429377736.

It is not an unprimeable number, because it can be changed into a prime (63777392411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52447906 + ... + 52449121.

It is an arithmetic number, because the mean of its divisors is an integer number (5507093970).

Almost surely, 2^63777392416 is an apocalyptic number.

It is an amenable number.

63777392416 is an abundant number, since it is smaller than the sum of its proper divisors (68392862864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63777392416 is a wasteful number, since it uses less digits than its factorization.

63777392416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104897056 (or 104897048 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 55.

The spelling of 63777392416 in words is "sixty-three billion, seven hundred seventy-seven million, three hundred ninety-two thousand, four hundred sixteen".