63677118256 has 10 divisors (see below), whose sum is σ = 123374416652. Its totient is φ = 31838559120.

The previous prime is 63677118251. The next prime is 63677118287. The reversal of 63677118256 is 65281177636.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63677118251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989909930 + ... + 1989909961.

Almost surely, 2^63677118256 is an apocalyptic number.

It is an amenable number.

63677118256 is a deficient number, since it is larger than the sum of its proper divisors (59697298396).

63677118256 is a wasteful number, since it uses less digits than its factorization.

63677118256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979819899 (or 3979819893 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The spelling of 63677118256 in words is "sixty-three billion, six hundred seventy-seven million, one hundred eighteen thousand, two hundred fifty-six".