63678463833 has 16 divisors (see below), whose sum is σ = 85345603200. Its totient is φ = 42232356480.

The previous prime is 63678463817. The next prime is 63678463837. The reversal of 63678463833 is 33836487636.

It is not a de Polignac number, because 63678463833 - 2⁴ = 63678463817 is a prime.

It is a super-2 number, since 2×63678463833² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63678463837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407853 + ... + 541941.

It is an arithmetic number, because the mean of its divisors is an integer number (5334100200).

Almost surely, 2^63678463833 is an apocalyptic number.

It is an amenable number.

63678463833 is a deficient number, since it is larger than the sum of its proper divisors (21667139367).

63678463833 is a wasteful number, since it uses less digits than its factorization.

63678463833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134912.

The product of its digits is 31352832, while the sum is 57.

The spelling of 63678463833 in words is "sixty-three billion, six hundred seventy-eight million, four hundred sixty-three thousand, eight hundred thirty-three".