63107989 has 8 divisors (see below), whose sum is σ = 73112000. Its totient is φ = 53351136.

The previous prime is 63107983. The next prime is 63108013. The reversal of 63107989 is 98970136.

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 63107989 - 2¹¹ = 63105941 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 (63107983) 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, 61239 + ... + 62260.

It is an arithmetic number, because the mean of its divisors is an integer number (9139000).

Almost surely, 2^63107989 is an apocalyptic number.

It is an amenable number.

63107989 is a deficient number, since it is larger than the sum of its proper divisors (10004011).

63107989 is a wasteful number, since it uses less digits than its factorization.

63107989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123579.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 63107989 is about 7944.0536881368. The cubic root of 63107989 is about 398.1329425503.

The spelling of 63107989 in words is "sixty-three million, one hundred seven thousand, nine hundred eighty-nine".