63872842 has 32 divisors (see below), whose sum is σ = 112363200. Its totient is φ = 26906880.

The previous prime is 63872833. The next prime is 63872867. The reversal of 63872842 is 24827836.

It is a junction number, because it is equal to n+sod(n) for n = 63872795 and 63872804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23784 + ... + 26332.

It is an arithmetic number, because the mean of its divisors is an integer number (3511350).

Almost surely, 2^63872842 is an apocalyptic number.

63872842 is a deficient number, since it is larger than the sum of its proper divisors (48490358).

63872842 is a wasteful number, since it uses less digits than its factorization.

63872842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646.

The product of its digits is 129024, while the sum is 40.

The square root of 63872842 is about 7992.0486735255. The cubic root of 63872842 is about 399.7349118595.

It can be divided in two parts, 6387 and 2842, that added together give a palindrome (9229).

The spelling of 63872842 in words is "sixty-three million, eight hundred seventy-two thousand, eight hundred forty-two".