63387333306 has 96 divisors (see below), whose sum is σ = 155086513920. Its totient is φ = 18534499200.

The previous prime is 63387333281. The next prime is 63387333307. The reversal of 63387333306 is 60333378336.

It is a happy number.

63387333306 is a `hidden beast` number, since 6 + 3 + 3 + 8 + 7 + 333 + 306 = 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 not an unprimeable number, because it can be changed into a prime (63387333307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15334816 + ... + 15338948.

It is an arithmetic number, because the mean of its divisors is an integer number (1615484520).

Almost surely, 2^63387333306 is an apocalyptic number.

63387333306 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 63387333306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77543256960).

63387333306 is an abundant number, since it is smaller than the sum of its proper divisors (91699180614).

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

63387333306 is a wasteful number, since it uses less digits than its factorization.

63387333306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852 (or 6849 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 45.

It can be divided in two parts, 63387 and 333306, that added together give a palindrome (396693).

The spelling of 63387333306 in words is "sixty-three billion, three hundred eighty-seven million, three hundred thirty-three thousand, three hundred six".