63859950 has 288 divisors, whose sum is σ = 227485440. Its totient is φ = 12441600.

The previous prime is 63859949. The next prime is 63859963. The reversal of 63859950 is 5995836.

63859950 is a `hidden beast` number, since 6 + 3 + 8 + 599 + 50 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 63859896 and 63859905.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 658302 + ... + 658398.

It is an arithmetic number, because the mean of its divisors is an integer number (789880).

Almost surely, 2^63859950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63859950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113742720).

63859950 is an abundant number, since it is smaller than the sum of its proper divisors (163625490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63859950 is a wasteful number, since it uses less digits than its factorization.

63859950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 63859950 is about 7991.2420811786. The cubic root of 63859950 is about 399.7080160820.

The spelling of 63859950 in words is "sixty-three million, eight hundred fifty-nine thousand, nine hundred fifty".