63989158 has 8 divisors (see below), whose sum is σ = 97610760. Its totient is φ = 31452240.

The previous prime is 63989153. The next prime is 63989161. The reversal of 63989158 is 85198936.

63989158 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 super-2 number, since 2×63989158² = 8189224683097928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63989153) 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 3 ways as a sum of consecutive naturals, for example, 271023 + ... + 271258.

It is an arithmetic number, because the mean of its divisors is an integer number (12201345).

Almost surely, 2^63989158 is an apocalyptic number.

63989158 is a deficient number, since it is larger than the sum of its proper divisors (33621602).

63989158 is a wasteful number, since it uses less digits than its factorization.

63989158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542342.

The product of its digits is 466560, while the sum is 49.

The square root of 63989158 is about 7999.3223462991. The cubic root of 63989158 is about 399.9774112244.

The spelling of 63989158 in words is "sixty-three million, nine hundred eighty-nine thousand, one hundred fifty-eight".