63900171 has 10 divisors (see below), whose sum is σ = 95455932. Its totient is φ = 42600060.

The previous prime is 63900169. The next prime is 63900197. The reversal of 63900171 is 17100936.

63900171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63900171 - 2¹ = 63900169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (63900101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 394365 + ... + 394526.

Almost surely, 2^63900171 is an apocalyptic number.

63900171 is a deficient number, since it is larger than the sum of its proper divisors (31555761).

63900171 is an equidigital number, since it uses as much as digits as its factorization.

63900171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788903 (or 788894 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 63900171 is about 7993.7582525368. The cubic root of 63900171 is about 399.7919146867.

The spelling of 63900171 in words is "sixty-three million, nine hundred thousand, one hundred seventy-one".