63223887 has 16 divisors (see below), whose sum is σ = 89048960. Its totient is φ = 39789792.

The previous prime is 63223819. The next prime is 63223903. The reversal of 63223887 is 78832236.

It is a happy number.

63223887 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 63223887 - 2⁷ = 63223759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63223817) 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, 15693 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (5565560).

Almost surely, 2^63223887 is an apocalyptic number.

63223887 is a deficient number, since it is larger than the sum of its proper divisors (25825073).

63223887 is a wasteful number, since it uses less digits than its factorization.

63223887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 96768, while the sum is 39.

The square root of 63223887 is about 7951.3449805678. The cubic root of 63223887 is about 398.3765175934.

The spelling of 63223887 in words is "sixty-three million, two hundred twenty-three thousand, eight hundred eighty-seven".