63974808005886 has 48 divisors (see below), whose sum is σ = 138738009093840. Its totient is φ = 21305570832000.

The previous prime is 63974808005881. The next prime is 63974808005887. The reversal of 63974808005886 is 68850080847936.

63974808005886 is a `hidden beast` number, since 6 + 3 + 97 + 480 + 8 + 0 + 0 + 58 + 8 + 6 = 666.

It is a super-3 number, since 3×63974808005886³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63974808005881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97339026 + ... + 97994058.

It is an arithmetic number, because the mean of its divisors is an integer number (2890375189455).

Almost surely, 2^{63974808005886} is an apocalyptic number.

63974808005886 is an abundant number, since it is smaller than the sum of its proper divisors (74763201087954).

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

63974808005886 is a wasteful number, since it uses less digits than its factorization.

63974808005886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659961 (or 659958 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 63974808005886 in words is "sixty-three trillion, nine hundred seventy-four billion, eight hundred eight million, five thousand, eight hundred eighty-six".