63267874668 has 36 divisors (see below), whose sum is σ = 160188076048. Its totient is φ = 21054880800.

The previous prime is 63267874661. The next prime is 63267874669. The reversal of 63267874668 is 86647876236.

63267874668 is a `hidden beast` number, since 6 + 32 + 67 + 87 + 466 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×63267874668² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63267874661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1411408 + ... + 1455543.

Almost surely, 2^63267874668 is an apocalyptic number.

It is an amenable number.

63267874668 is an abundant number, since it is smaller than the sum of its proper divisors (96920201380).

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

63267874668 is a wasteful number, since it uses less digits than its factorization.

63267874668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867574 (or 2867569 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 63267874668 in words is "sixty-three billion, two hundred sixty-seven million, eight hundred seventy-four thousand, six hundred sixty-eight".