63846880172 has 24 divisors (see below), whose sum is σ = 114762895296. Its totient is φ = 31057648128.

The previous prime is 63846880159. The next prime is 63846880177. The reversal of 63846880172 is 27108864836.

It is not an unprimeable number, because it can be changed into a prime (63846880177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882813 + ... + 2904875.

It is an arithmetic number, because the mean of its divisors is an integer number (4781787304).

Almost surely, 2^63846880172 is an apocalyptic number.

It is an amenable number.

63846880172 is a deficient number, since it is larger than the sum of its proper divisors (50916015124).

63846880172 is a wasteful number, since it uses less digits than its factorization.

63846880172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41657 (or 41655 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 63846880172 in words is "sixty-three billion, eight hundred forty-six million, eight hundred eighty thousand, one hundred seventy-two".