63887238 has 32 divisors (see below), whose sum is σ = 148147200. Its totient is φ = 20369448.

The previous prime is 63887237. The next prime is 63887251. The reversal of 63887238 is 83278836.

63887238 is a `hidden beast` number, since 638 + 8 + 7 + 2 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63887193 and 63887202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63887237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24478 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (4629600).

Almost surely, 2^63887238 is an apocalyptic number.

63887238 is an abundant number, since it is smaller than the sum of its proper divisors (84259962).

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

63887238 is a wasteful number, since it uses less digits than its factorization.

63887238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51473 (or 51467 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 63887238 is about 7992.9492679486. The cubic root of 63887238 is about 399.7649410620.

The spelling of 63887238 in words is "sixty-three million, eight hundred eighty-seven thousand, two hundred thirty-eight".