63330871868 has 48 divisors (see below), whose sum is σ = 128067609600. Its totient is φ = 27082586880.

The previous prime is 63330871853. The next prime is 63330871871. The reversal of 63330871868 is 86817803336.

It is a super-2 number, since 2×63330871868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018243 + ... + 2049381.

It is an arithmetic number, because the mean of its divisors is an integer number (2668075200).

Almost surely, 2^63330871868 is an apocalyptic number.

63330871868 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63330871868 is an abundant number, since it is smaller than the sum of its proper divisors (64736737732).

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

63330871868 is a wasteful number, since it uses less digits than its factorization.

63330871868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33890 (or 33888 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 63330871868 in words is "sixty-three billion, three hundred thirty million, eight hundred seventy-one thousand, eight hundred sixty-eight".