63825769 has 16 divisors (see below), whose sum is σ = 81302400. Its totient is φ = 48777984.

The previous prime is 63825767. The next prime is 63825791. The reversal of 63825769 is 96752836.

It is a cyclic number.

It is not a de Polignac number, because 63825769 - 2¹ = 63825767 is a prime.

It is a super-2 number, since 2×63825769² = 8147457576882722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63825761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11854 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (5081400).

Almost surely, 2^63825769 is an apocalyptic number.

It is an amenable number.

63825769 is a deficient number, since it is larger than the sum of its proper divisors (17476631).

63825769 is a wasteful number, since it uses less digits than its factorization.

63825769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28272.

The product of its digits is 544320, while the sum is 46.

The square root of 63825769 is about 7989.1031411542. The cubic root of 63825769 is about 399.6366888625.

The spelling of 63825769 in words is "sixty-three million, eight hundred twenty-five thousand, seven hundred sixty-nine".