63788489 has 8 divisors (see below), whose sum is σ = 65139648. Its totient is φ = 62449200.

The previous prime is 63788477. The next prime is 63788503. The reversal of 63788489 is 98488736.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63788489 - 2¹² = 63784393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63788489.

It is not an unprimeable number, because it can be changed into a prime (63788449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8339 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (8142456).

Almost surely, 2^63788489 is an apocalyptic number.

It is an amenable number.

63788489 is a deficient number, since it is larger than the sum of its proper divisors (1351159).

63788489 is a wasteful number, since it uses less digits than its factorization.

63788489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935.

The product of its digits is 2322432, while the sum is 53.

The square root of 63788489 is about 7986.7696223192. The cubic root of 63788489 is about 399.5588657636.

The spelling of 63788489 in words is "sixty-three million, seven hundred eighty-eight thousand, four hundred eighty-nine".