63838275 has 12 divisors (see below), whose sum is σ = 105546072. Its totient is φ = 34047040.

The previous prime is 63838259. The next prime is 63838279. The reversal of 63838275 is 57283836.

It is not a de Polignac number, because 63838275 - 2⁴ = 63838259 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (63838279) 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, 425514 + ... + 425663.

It is an arithmetic number, because the mean of its divisors is an integer number (8795506).

Almost surely, 2^63838275 is an apocalyptic number.

63838275 is a deficient number, since it is larger than the sum of its proper divisors (41707797).

63838275 is a wasteful number, since it uses less digits than its factorization.

63838275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851190 (or 851185 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 63838275 is about 7989.8857939272. The cubic root of 63838275 is about 399.6627887179.

The spelling of 63838275 in words is "sixty-three million, eight hundred thirty-eight thousand, two hundred seventy-five".