63276389 has 8 divisors (see below), whose sum is σ = 69128640. Its totient is φ = 57440800.

The previous prime is 63276383. The next prime is 63276391. The reversal of 63276389 is 98367236.

63276389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63276389 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63276383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4592 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (8641080).

Almost surely, 2^63276389 is an apocalyptic number.

It is an amenable number.

63276389 is a deficient number, since it is larger than the sum of its proper divisors (5852251).

63276389 is a wasteful number, since it uses less digits than its factorization.

63276389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331.

The product of its digits is 326592, while the sum is 44.

The square root of 63276389 is about 7954.6457494976. The cubic root of 63276389 is about 398.4867595609.

The spelling of 63276389 in words is "sixty-three million, two hundred seventy-six thousand, three hundred eighty-nine".