63285787878906 has 32 divisors (see below), whose sum is σ = 127420926160896. Its totient is φ = 20953728630000.

The previous prime is 63285787878877. The next prime is 63285787879009. The reversal of 63285787878906 is 60987878758236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7348011 + ... + 13437441.

It is an arithmetic number, because the mean of its divisors is an integer number (3981903942528).

Almost surely, 2^{63285787878906} is an apocalyptic number.

63285787878906 is an abundant number, since it is smaller than the sum of its proper divisors (64135138281990).

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

63285787878906 is a wasteful number, since it uses less digits than its factorization.

63285787878906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101058.

The product of its (nonzero) digits is 13655900160, while the sum is 84.

The spelling of 63285787878906 in words is "sixty-three trillion, two hundred eighty-five billion, seven hundred eighty-seven million, eight hundred seventy-eight thousand, nine hundred six".